Katrin Loo (born 2 January 1991) is a retired Estonian footballer who played as a forward for Naiste Meistriliiga club FC Flora and the Estonia women's national team.

[1] Loo made her debut for the Estonian national team as soon as May 2007, in a friendly match against Latvia.

[2] In club competitions, she started her career playing for Flora Tallinn in Estonia's Meistriliiga before transferring in 2011 to Dayton Flyers in the NCAA.

[3][4] She subsequently moved to Finland's Naisten Liiga, playing first for NiceFutis and later for Merilappi United.

This biographical article related to women's association football in Estonia is a stub.