Mostrenco is a word deriving from the Spanish language, most famous as an origin of the English term "mustang". It can refer to:
Places Mostrenco, Panama El Mostrenco, Venezuela
Organisms Mostrenco cattle Algarrobo, bayahonda and mesquite trees (Prosopis species) in the Fabaceae An indigoberry (Randia armata) in the Rubiaceae
Other It is also a Spanish slang term denoting a homeless person or a drifter, or someone considered unintelligent or daft. The former meaning, in combination with the related mestengo ("ownerless"), gave rise to the term "mustang".