Arp is a city in Smith County, Texas, United States. The population was 976 in 2009. It is part of the Tyler, Texas Metropolitan Statistical Area. The town is named for Bill Arp (pen name of Charles Henry Smith), a Georgia humorist who was nationally known in the late 19th century.
Arp is located at 32°13′33″N 95°3′19″W / 32.22583°N 95.05528°W / 32.22583; -95.05528 (32.225794, -95.055140).
According to the United States Census Bureau, the city has a total area of 2.5 square miles (6.3 km²), all of it land.