Katrin Olsen (born 5 January 1978 in Tórshavn at the Faroe Islands) is a Danish–Faroese rower, and represents Denmark.
She weights 61 kilos, and is therefore in the lightweight class.
Before she went to live in Denmark she was rowing in Faroese rowing competitions and became Faroese Rowing Champion two times with the boat Jarnbardur of Róðrarfelagið Knørrur.