Bernice Resnick Sandler (March 3, 1928 – January 5, 2019) was an American women's rights activist. She is best known for being instrumental in the creation of Title IX, a portion of the Education Amendments of 1972, in conjunction with representatives Edith Green and Patsy Mink and Senator Birch Bayh in the 1970s. She has been called "the Godmother of Title IX" by The New York Times. Sandler wrote extensively about sexual and peer harassment towards women on campus, coining the phrase "the chilly campus climate".