Olga Ahtinen (born 15 August 1997) is a Finnish professional footballer who plays as a midfielder for Women's Super League club Tottenham Hotspur and the Finland national team.

She started her career with GBK Kokkola and was playing for Swedish side Linköpings FC during Euro 2022.

[3] Ahtinen is one of six players from GBK who have made their debut for the Finland national team.

[12] Ahtinen made her league debut against Odense Boldklub Q on 26 August 2017.

[21] She scored her first goal for Tottenham on 8 October 2023, in a 3–1 home victory against Bristol City.