Maria Barbara Kamrowska-Nowak (born 11 March 1966 in Starogard Gdański) is a retired Polish heptathlete.

She finished ninth at the 1991 World Championships, won the bronze medal at the 1991 Summer Universiade^[1] and finished seventh at the 1994 European Indoor Championships.^[2]

She competed in 100 metres hurdles at the 1993 World Championships without advancing to the final round.