Greenleafton is an unincorporated community in York Township, Fillmore County, Minnesota, United States.

The community is located southwest of Preston, at the junction of Fillmore County Roads 9 and 20.

Nearby places include Cherry Grove, Preston, Spring Valley, and Harmony.

Greenleafton was first settled by Dutch immigrants, including Arend Jan Nagel, who moved westward from Alto, Wisconsin, seeking inexpensive land.

Like him, many of the first settlers had originally come from the Achterhoek in the eastern Netherlands and from neighboring areas in Germany.