[[quoteright:330:[[Film/DownWithLove http://static.tvtropes.org/pmwiki/pub/images/triplet_hotties_2801.jpg]]]]
[[caption-width-right:330:They also [[PrettyInMink tend]] to [[GoldMakesEverythingShiny dress]] [[CoordinatedClothes alike]].]]

With twins, you might get [[UntoUsASonAndDaughterAreBorn a boy and]] [[HalfIdenticalTwins a girl]]. But triplets are almost always the same sex. That's what the media wants people to think. [[AlwaysIdenticalTwins Usually, they will be all identical]], but sometimes, they are all fraternal for easy recognition. In RealLife, identical triplets are always all boys or all girls (for obvious reasons), but most triplets are two identical and one fraternal and only have a fifty-fifty chance of all being the same sex. All-fraternal triplets only have a one-in-four chance.

So why are Same Sex Triplets so common in fiction? Because of CastCalculus. Having one of each sex gives you balance, but three people don't divide evenly that way. So triplets are portrayed as three of a kind to give a sense of wholeness to the group. The same appeal makes RealLife Same Sex Triplets more marketable, so they are more likely to achieve fame as a group than mixed triplets. And if they happen to be children, Same-Sex Triplets are just plain [[RuleOfCute cute]].

Compare PowerTrio and RuleOfThree. Many TwinTropes also apply to triplets. If this trope is [[AvertedTrope averted]], they may be ThreeAmigos or TwoGuysAndAGirl.
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!!Examples:

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[[folder: Anime and Manga ]]

* Mitsuba, Futaba and Hitoha from ''{{Mitsudomoe}}''.
* The Ran triplets from ''SaiunkokuMonogatari'', all of whom are named Setsuna. They also have personal names, but almost nobody uses them: multiple births are considered unlucky in Saiunkoku, so the triplets were raised to be as identical as possible and only the wife of one of the triplets [[spoiler:and, eventually, Shuuei]] can tell them apart.
* The Butterfly Triplets from ''ToukaGettan''.
* October, November and December from ''CoyoteRagtimeShow''.
* The Hanamura Triplets from ''SallyTheWitch''.
* Ichigo, Ringo and Sango from ''HanaukyoMaidTai''.
* A set of same-sex triplets (Taichi, Tatsuji, and Yuzo Tomizawa) become murder suspects in ''Manga/DetectiveConan'', and it's up to Conan to figure out which of the three [[SelfMadeOrphan killed their father]]. [[spoiler:It was Taichi.]]
** The three don't look that identical. They have different hairstyles and Taichi has even a mustache. It's actually hard for the viewers/readers to ''notice'' that they are triplets.
* Averted in ''GingaNagareboshiGin'', where the three Kai brothers (Akatora, Chutora, and Kurotora) are in the same litter but with different fur colors. However, this is nothing unusual because they are dogs.
* The triplets [[BewaretheQuietOnes Thompson, Timber, and Canturbury]] from the anime version of ''Anime/BlackButler''.
* Tsubaki, Azusa and Natsume Asahina from ''Literature/BrothersConflict''.
* In ''Manga/CentaurNoNayami'', ClassRepresentative [[OurAngelsAreDifferent Manami Mitami]] has four younger sisters, three of them being CatGirl triplets. They are called Chigusa, Chinami and Chiho. Collectively, they are called "[[SingleMindedTwins Chi-chan]]".

[[/folder]]

[[folder: Comic Books ]]

* The Kleinstocks (Sven, Harlan, and Eric), MarvelComics supervillains.
* Also from MarvelComics, the Stepford Cuckoos, for a time [[spoiler:when three of them were still alive, and before they discovered their innumerable clone siblings]].
* The DCComics villain Kushti, who consists of conjoined triplets.
* Gooey, Screwy and Ratatouille from ''LifeInHell''.
* April, May and June Bleak from ''MyDeadGirlfriend''.

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[[folder: Fan Works ]]

* Nell, Nall, and Nalel are triplets in ''FanFic/ANewWorldANewWay'' sidestory ''Swarm''. It is implied to be a common occurrence for Changelings.

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[[folder: Film ]]

* ''WesternAnimation/TheTripletsOfBelleville'' are three ancient ex- cabaret performers who spend their days playing jazz on improvised instruments and dynamiting frogs for their dinner. They're drawn very differently even when young, and as old women they're easy to tell apart.
* Identical triplets identified in the credits as "Bimbette 1, 2 and 3" appear in ''Disney/BeautyAndTheBeast''.
* Lisa, Jessie and Megan Wyatt from ''TheParentTrap III''. Interestingly, while the twins were played by the same actress (Hayley Mills), the triplets were played by real life triplets Leanna, Monica and Joy Creel.
* Averted in the ''{{Shrek}}'' series; Shrek and Fiona's triplets are two boys and one girl.
* When Bowen comes to Kara's village in ''Film/{{Dragonheart}}'' and suggests that they sacrifice a virgin to get the dragon to leave them alone, the father of identical dark-haired triplet girls freaks out because Bowen is looking at his daughters.
* TheBeverlyHillbillies: Ellie May once mentioned having fought a set of triplets.
* In the ''{{Pixar}}'' film ''WesternAnimation/{{Brave}}'', the main protagonist has triplet brothers.
* In ''Film/PacificRim'', the Chinese ''[[HumongousMecha Crimson Typhoon]]'' is piloted by the [[http://media.monstersandcritics.com/articles3/1716782/article_images/SSKH19735r.jpg Wei Tang Triplets]].

[[/folder]]

[[folder: Literature ]]

* The ''Snipp, Snapp and Snurr'' children's books by Maj Lindman. Or ''[[DistaffCounterpart Flicka, Ricka and Dicka]]''.
* The eponymous girls from the Spanish children's book series ''The Triplets''.
* Trips, Traps and Trull in ''Trips Traps Ja Trull''. A rare case where two of the triplets are identical.
* Melody, Harmony and Rhythm from ''Literature/{{Xanth}}''.
* Mallory from ''TheBabysittersClub'' has identical triplet brothers.
* The Chiga triplets from ''Zaregoto''.
* The Quagmire triplets (Duncan, Quigley and Isadora) from ''ASeriesOfUnfortunateEvents'' are an aversion, being two brothers and a sister.
** However, there are identical same-sex triplets revealed in the penultimate book, [[spoiler:Frank, Ernest, and Dewey]].
* The Roze brothers from ''Literature/GarrettPI'' '''might''' qualify, if puny Dojango and colossal [[GenderBlenderName Doris and Marsha]] really are triplets. But then, there's that whole "[[BizarreAlienReproduction different mothers]]" issue that Garrett refrained from asking about...
* Lily, Rose and Violet from ''Literature/TheSecretOfPlatform13''. They're also identical, which was part of the reason the King and Queen hired them: it would give the young prince the security of one constant helper but could provide three times the work.
* Though there are quite a few sets of triplets in ''Literature/WarriorCats'', this trope is almost always averted. Possibly the only example of it being played straight is with Crookedstar and Willowbreeze's kits: Willowkit, Minnowkit, and Silverkit ([[spoiler:though only Silverkit survives the illness that kills her sisters and mother just after their birth]]).
* Elk-Frodi, Thorir Dogfoot and Bodvar Bjarki from the ''Literature/SagaOfHrolfKraki''. Thorir and Bodvar would be identical if Thorir wouldn't have dog's paws for feet because of a curse.
* The three Ravers in ''Literature/TheChroniclesOfThomasCovenant'', who were "three brothers of one birth". Of course, by the time the books take place they've transformed into bodiless, possessing demon spirits and as such don't really have a sex ''per se'' at all, they're still referred to with male pronouns when any gender is applied.

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[[folder: Live Action TV ]]

* Tracy, Niki and Barbara from ''Series/{{Heroes}}''.
* The ''CSIMiami'' episode "Triple Threat" features identical triplet women.
* Averted in Aussie soap opera ''{{Neighbours}}'', where magnate Paul Robinson's triplets were one daughter and two identical sons ([[EvilTwin one of whom was evil]]).
* ''PairOfKings'' featured Brady, Boomer and Boz. PlayedForLaughs since the triplets are obviously fraternal (especially since one is black and the other two are white).
* Charlotte and Cooper's triplets on ''PrivatePractice'' are all girls, named Georgia, Caroline, and Rachel.
* The basic principle of this trope is averted in the short-lived sitcom, ''Quintuplets.'' Of the titular quints, there were three boys and two girls, all apparently fraternal.
* Rudy, from {{Misfits}}, is introduced with the power to split off a physically identical duplicate of himself (who happens to embody his more sensitive, kinder, responsible side), but it's revealed sometime later that there's actually a ''second'' [[GoodAngelBadAngel duplicate who is kind of a psycho but has been locked up in jail]]. [[EvilTwin He gets released, forcibly re-merges with the others, and takes control of the unified persona.]]

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[[folder: Music ]]

* The Del Rubio triplets (Edith, Elena and Milly).
** They also played the Wanker Triplets on ''MarriedWithChildren''.
* The Fernández Rousse triplets (María Laura, María Emilia and María Eugenia), three singers known collectively as Trix.
* The Villegas triplets (Diana, Sylvia and Vicky) of the pop group The Triplets.
* The Haden triplets (Petra, Tanya and Rachel).
* The Landeberg triplets (Izzy, Rock and Kelii) of The Wildflowers.

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[[folder: Mythology ]]

* Although there are many triplicate goddesses in various European mythologies, such as Hecate or the Norns, the differentiation into the [[TheHecateSisters Maiden, Mother and Crone]] wasn't invented before the 19th century.
** GreekMythology has the 3 Fates, the 3 Furies, the 3 Graces, the 3 (elder) Cyclopes, the 3 Hekatonkhires, the 3 Horai/Seasons (usually), the 3 Harpies (usually), the 3 Graeae, and the 3 Gorgons (usually). The Hesperides sometimes number 3. The Romans also adopted the Fates (renamed Parcae) and Graces (renamed Gratiae) into their pantheon.
** Several ancient religions in Eurasia have the triple Fates. One famous example is NorseMythology, with the 3 Norns: Urd, Skuld, and Verdandi. They sometimes correspond to past, present, and future.

[[/folder]]

[[folder: Real Life ]]

* The Dahm triplets.
* Faith, Hope and Charity Cardwell, the longest-lived set of Triplets (95 when the first of the three died).
* The triplets who played baby Katie on DrQuinnMedicineWoman, enabling her to be frequently seen on-screen without ever violating SAG rules or child-labor laws about the amount of hours a child can work. Most shows with babies use twins for this reason, but for Katie, ''triplets'' were needed.
* When armadillos have litters, it's always identical quadruplets.

[[/folder]]

[[folder: Video Games ]]

* In ''Series/{{CSI}}: Hard Evidence'', one of the investigations involves triplet brothers.
* In ''[[Videogame/PokemonBlackAndWhite Pokémon Black and White]]'', Cilan, Chili and Cress are triplet brothers/Gym Leaders.

[[/folder]]

[[folder: Web Comics ]]

* ''Blog/SliceOfLife'' has the Bons -- Bonnie, Bombe, Bonelle, Bon Suite, Bond, Bonita, and Bon-Bon.
* [[spoiler:Robin and Leslie]] have these near the end of ''{{Webcomic/Shortpacked}}'', named Abigail, Tabitha and Gabriella (Abby, Tabby and Gabby respectively).
* Averted by the Scumthorpe triplets in ''Webcomic/TheScumthorpeFiles'', which consists of 2 girls (Lolita and Carrie) and 1 boy (Lester).

[[/folder]]

[[folder: Western Animation ]]

* [[ClassicDisneyShorts Huey, Dewey and Louie]]. Or [[DistaffCounterpart April, May and June]].
* ''ThePowerpuffGirls'' were genetically engineered to be girls. Likewise [[SpearCounterpart the Rowdyruff Boys]] or [[ThePsychoRangers the Powerpunk Girls]] from [[CanonForeigner the comics]].
* ''WesternAnimation/AlvinAndTheChipmunks'' (although some sources give them different ages, they actually are triplets). Or [[DistaffCounterpart the Chipettes]].
* Maggie’s triplet nephews from ''Maggie and the Ferocious Beast''.
* [[TheFairFolk The Weird Sisters]] on ''WesternAnimation/{{Gargoyles}},'' who are also identical except for their hair color (blonde, white and black).
* {{Popeye}} had 4 identical nephews-Pip-Eye, Pup-Eye, Poop-Eye, and Peep-Eye.
* ''WesternAnimation/TheSimpsons'' once did a retelling of Literature/TheCountOfMonteCristo where Moe and Marge had a set of triplets. All looked like Moe-faced Maggies.
** And in one episode, a psychiatrist makes a brief mention to Bart about the fact that Sherri and Terri are in fact two-thirds of a set of (former) siamese triplets. And the third sister is [[EvilTwin out for revenge...]]
* ''TheTriplets''
* ''WesternAnimation/BarbieInTheTwelveDancingPrincesses'': The three youngest princesses are triplets.
* The third season of ''{{Superjail}}'' had an episode featuring [[CreepyTwins the Twins']] older triplet brothers, who were also single-minded but [[BigBrotherBully brutal to their younger siblings]].
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