Rancho San Bernabe was a 13,297-acre (53.81 km2) Mexican land grant in the Salinas Valley, in present-day Monterey County, California. The three-square-league grant consisted of one square league granted in 1841 to Jesus Molina, and an additional two square leagues granted in 1842 to Petronilo Ríos, by Governor Juan Alvarado. The grant extended along the Salinas River south of present-day King City, California.