Holcomb is an unincorporated community in Ogle County, Illinois, United States.

Holcomb is 3 miles (4.8 km) south of Davis Junction.

It was named for William H. Holcomb (c. 1839–1908), General Manager of the Chicago and Iowa Railroad at the time.

He was also the Superintendent of Transportation for the World's Columbian Exposition held in Chicago in 1893.

This Ogle County, Illinois location article is a stub.