Otto Andersson (born 1983) is a Finnish politician and attorney.

During his time at university, he was part of Åbo Akademi's student union.

[1] Andersson has served as chair of the Loviisa city council, and as a member of the board of the wellbeing service county (hyvinvointialue) of Itä-Uusimaa [fi].

[3] Following Anna-Maja Henriksson's resignation as party chair in 2024, Andersson stood in the election to succeed her.

[4] He was defeated by Anders Adlercreutz, the vice-chair of the party, in a 183–84 vote.