Samuel Vincent Khouth (born October 5, 1971) is a Canadian voice actor who works with Creator/TheOceanGroup based in UsefulNotes/{{Vancouver}}, British Columbia, UsefulNotes/{{Canada}}. He was born in North Vancouver, British Columbia, and is the older brother of voice actor Creator/GabeKhouth.

He is perhaps best known as Double-D from ''WesternAnimation/EdEddNEddy''. His notable anime roles include Athrun Zala from ''Anime/MobileSuitGundamSEED'', Peach Man (Tokajin) from ''Manga/InuYasha'', Hare from ''Anime/MonsterRancher'', and Yukito Tsukishiro from ''Manga/CardCaptorSakura''. Other roles include Forge from ''WesternAnimation/XMenEvolution'', Aerrow in ''WesternAnimation/StormHawks'', Archie in ''WesternAnimation/ClassOfTheTitans'', Sidoh and Gevanni in ''Manga/DeathNote'', Coby Hansen in ''Anime/TransformersCybertron'', Dexter from ''Anime/{{Hamtaro}}'', Baby Bugs, Baby Daffy and Baby Tweety from ''WesternAnimation/BabyLooneyTunes'', and Flim Skim in ''WesternAnimation/MyLittlePonyFriendshipIsMagic''. He is also known for voicing Krypto from ''WesternAnimation/KryptoTheSuperdog'', Sonic the Hedgehog's singing voice in ''WesternAnimation/SonicUnderground'', and the title character and the alien Billy of ''WesternAnimation/MartinMystery''. Samuel started voice-acting in 1990. He was also born in the same place as Creator/MattHill. The two are [[RelationshipVoiceActor often cast together]] as friends, most famously as Edd (Vincent) and Ed (Hill) from ''Ed, Edd, n Eddy'' and as the two protagonists of the ''Gundam SEED'' franchise; Athrun Zala (Vincent) and Kira Yamato (Hill).

His recent roles include Tieria Erde in ''Anime/MobileSuitGundam00'', H.E.R.B.I.E. in ''WesternAnimation/FantasticFourWorldsGreatestHeroes'', Russell Ferguson in ''WesternAnimation/LittlestPetShop2012'', Guy Hamdon/[=SheZow=] in ''WesternAnimation/SheZow'' and Lloyd Garmadon in ''[[WesternAnimation/{{Ninjago}} Lego Ninjago: Masters of Spinjitsu.]]''

His California counterparts are Creator/SteveStaley, Creator/SamRiegel and Creator/YuriLowenthal, and his Texan counterparts are Creator/JoshGrelle and Creator/JoelMcDonald.