Martina Granström

Anna Martina Granström (born 5 August 1991 in Uppsala, Sweden) is a Swedish butterfly swimmer. At the 2012 Summer Olympics she finished 14th overall in the heats in the women's 100-metre butterfly and qualified for the semi-final. She also competed in the women's 200 metre butterfly and the 4 × 100 m medley relay team.

Granström represents Jönköpings SS.