is a village in the Cuba Township of Lake County and the Algonquin Township of McHenry County, Illinois, United States. The population was 4,862 at the 2000 census.
Fox River Grove is home to Windy City Balloon Port, whose hot air balloons float along the Fox River. The same location is the home of the Norge Ski Club , which has been in existence since 1905. The Norge Ski Club is the oldest, continuously open ski club in the United States. At Cary-Grove High School, Fox River Grove is known as "The Grove" and its citizens as "Grovers" among the students.