Riho Sugiyama (born December 31) is a Japanese voice actress affiliated with the talent agency Mausu Promotion.
Roles
- A.B.A in Guilty Gear -STRIVE- (replacing Mika Takimoto)
- Amalia in Unicorn Overlord
- Anita in JoJo's Bizarre Adventure: Golden Wind
- Anzu (Janine) in Pokémon Masters
- Arumi Ashimine in Tsugumomo
- Ashley Mizuki Robins in Another Code: Recollection
- Azeyma in Final Fantasy XIV
- Flöte Mascarail in The Vexations of a Shut-In Vampire Princess
- Hanayo Nasu in AI: The Somnium Files
- Henrietta "Annette" Penrose in 86 EIGHTY-SIX
- (young) Henry "Buckingham" Stafford in Requiem of the Rose King
- (young) Hiroshi "Hiro" Yuuki in Full Dive
- Izumi Komori in Tropical-Rouge! Pretty Cure
- Jessica Schwartz in Vermeil in Gold
- Manaka Mikura in Heavenly Delusion
- Milkcap Girl in Interspecies Reviewers
- Minare Koda in Wave, Listen to Me!
- Miriam in Ulysses: Jeanne d'Arc and the Alchemist Knights
- Monju in Monster Hunter: Rise
- Nicola in World Flipper
- (young) Ou Yang in Link Click
- Pete Reston in Reign of the Seven Spellblades
- Rosalie in I've Been Killing Slimes for 300 Years and Maxed Out My Level
- Ryo in Master Detective Archives: Rain Code DLC
- The Student Council Vice President in Love Live! Nijigasaki High School Idol Club
- (young) Subaru Mikazuki in My Roommate is a Cat
- Tadashi Konparu in Kenka Bancho Otome
- Thüringen in Azur Lane
- Urara Suidobashi in Atom: The Beginning
- Yuuya in FLCL Progressive & Alternative
