Tasha Aimee Williams (born 31 July 1973 in Dunedin) is a retired athlete who has represented New Zealand in rugby union, athletics, bobsleigh, weightlifting and powerlifting.

Williams has represented New Zealand in rugby union, athletics, bobsleigh, weightlifting and powerlifting.

At the age of 17, she featured for the Black Ferns at RugbyFest 1990 on 28 August against a Russia XV's team.

She made her international rugby union debut on 2 September 1994 against Australia at Sydney.

This biographical article relating to New Zealand athletics is a stub.