Sanda Mamić (born 22 March 1985) is a retired female tennis player and current full-time gaming streamer on Twitch from Croatia.

Later in her career, Mamić had problems with her wrist, which at first was thought to be a regular sport injury requiring only a short term break.

Her comeback began at the Bangalore Open in March where she won her first-round match against Chan Yung-jan (6–2, 6–2), but lost in the second round to then-No.

Mamić reached the second round in her Grand Slam comeback at the French Open, beating Michaëlla Krajicek (6–4, 6–3) before falling to Francesca Schiavone.

Sanda is currently a content creator and full-time gaming streamer on Twitch under the name Sansen (sansensworld) playing PUBG, League of Legends, Dead by Daylight, World of Warcraft, etc.