Anna Karin Larsson (later Ahlström, 30 August 1941 – 21 September 2019) was a Swedish swimmer who won a bronze medal at the 1958 European Aquatics Championships in the 4×100 m freestyle relay.

[1] She competed in the same event at the 1956 and 1960 Summer Olympics and finished sixth in both games.

[2][3] Larsson retired from active swimming in 1962 to focus on her studies; she graduated in physiotherapy from Lund University.

She also worked as a swimming coach and as instructor with disabled persons.

This biographical article related to a Swedish swimmer is a stub.