Pieternella Hendrika "Henny" Vegter (born 28 February 1958, in Rotterdam) is a sailor from the Netherlands, who represented her country at the 1988 Summer Olympics in Pusan. With Marion Bultman as crew, Vegter took the 13th place in the 470 Female. Vegter and Bultman were, with the exception of – substitute for the Star in 1936 –, the first female sailing competitors in the 88 years of Dutch Olympic sailing history.