is a city in Franklin County, Ohio, United States. The population was 14,125 at the 2000 census. The city was founded in 1803 by the Scioto Company led by James Kilbourne, who was later elected to the United States House of Representatives. The city was named in honor of Thomas Worthington, future governor of Ohio. Worthington is a northern suburb of Columbus, Ohio.
According to the United States Census Bureau, the city has a total area of 5.7 square miles (14.7 km²), all of it land.
Highways that pass through or adjacent to Worthington include Interstate 270, United States Route 23, Ohio State Route 161, and Ohio State Route 315.
Except for a small border with Perry Township (Brookside Estates) on the west, Worthington is completely surrounded by Columbus.