Molly Brigid O'Bryan Vandemoer (born April 13, 1979) is an American sailor who competed in the 2012 Summer Olympics in the Elliott 6m class with Anna Tunnicliffe and Deborah Capozzi coming 5th overall.

[2][3] Previously, she was a High School National Champion, and competed with the University of Hawaiʻi at Mānoa sailing team,[4] where she was the captain of the women's and co-ed teams, was named three-times ICSA All-American skipper, and won the ICSA Women's Dinghy National Championship in 2001.

[6] She also won, with Anna Tunnicliffe, the Women's Snipe World Championships in 2010.

She is currently the director of the Peninsula Youth Sailing Foundation (PYSF).

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