Montauk Union Free School District is a school district headquartered in Montauk, New York. The district includes Montauk, a community in the Town of East Hampton.
It operates Montauk Public School, a PK-8 school.
In 2024 the district had plans to renovate the school building. 
In 2025 the district cooperated with three other area school districts (Amagansett, East Hampton, and Springs) with plans to establish a regional special education program.