Eschscholzia is a genus of flowering plants in the Papaveraceae (poppy) family. The genus was named after the botanist Dr. J.F.v.Eschscholtz.
Many of the plants in this genus feature showy four-petaled yellow or orange blossoms and are widely cultivated. The best-known is the California Poppy (E. californica); others include E. caespitosa and E. mexicana.