Arriba (/ˌærɪbɑːˌ/) is a statutory town located in Lincoln County, Colorado, United States.

At the 2020 United States Census, the town had a total area of 319 acres (1.292 km2), all of it land.

34.0% of all households were made up of individuals, and 17.9% had someone living alone who was 65 years of age or older.

Grandpa Jerry's Clown Museum started in 1986 in Sterling and moved to Arriba in 2001.

The museum claims to be the largest known collection of collectible clowns (baby rattles, cookie jars, cups, salt and pepper shakers, tea sets, vases, "piggy" banks, music boxes, frames, porcelain pieces, lamps, puppets, etc.).