Boyero is an unincorporated community in Lincoln County, Colorado, United States.
The Boyero, Colorado, post office operated from March 3, 1902, until July July 20, 1973, when it was converted to a contract post office of the Hugo, Colorado, post office (Zip code 80821).
The community was named for the local cattle industry. "Boyero" means "drover" in the Spanish language.
Boyero is located at coordinates at an elevation of .