Wallkill

Wallkill may refer to the following in the U.S. state of New York:

• Wallkill, Orange County, New York, a town
• Wallkill, Ulster County, New York, a hamlet and census-designated place
• Wallkill Correctional Facility, in Ulster County
• Wallkill River, a tributary of the Hudson River
• Wallkill Valley, part of the Hudson Valley