Anita Dolly Haubenstock Panek (born September 1, 1930 in Cracow, Poland) is a Brazilian biochemist. She emigrated to Brazil because of World War II. She received a B.Sc. in Chemistry, 1954 and a Ph.D. in 1962. She became a professor at the Universidade Federal do Rio de Janeiro.
In 1988 she showed that endogenous trehalose protects cells against the damage caused by freezing.