St. Mary's, St. Marys, or St. Maries may refer to the following places:
Mary's was a gay bar, located at the intersection of Westheimer and Waugh Drive in the Montrose neighborhood in Houston, Texas, in the United States. In 2011, OutSmart said that the bar "anchored" Houston's gay community in Montrose during its nearly forty-year history.
Between 1990 and 1999, gay artist Scott Swoveland painted more than 500 scenes on the front window. His most famous was painted in 1997.