Maria Hendrika Leonarda "Myriam" van Rooyen-Steenman (née Steenman, born 17 April 1950) is a retired Dutch rower.

She competed at the pre1972 Summer Olympics and the 1976 Summer Olympics in the coxed fours and finished in respectively first and in fifth place.

[1] She won a European title in this event in 1973,[2] won a silver medal at the 1974 World Championships and finished fifth at the 1975 World Championships.

[3] Until 1975 she competed under her maiden name Steenman, and since 1976 as van Rooijen-Steenman.

This biographical article relating to Dutch rowing is a stub.