The Battle of Cobleskill was an American Revolutionary War raid on the frontier settlement of Cobleskill, New York on May 30, 1778. The battle took place in what is now the hamlet of Warnerville, New York, near the modern Cobleskill-Richmondville High School. The raid marked the beginning of a phase in which Loyalists and Iroquois, encouraged and supplied by British authorities in the Province of Quebec, attacked and destroyed numerous villages on what was then the western frontier of New York and Pennsylvania.