Baywood-Los Osos (locally known as Los Osos-Baywood Park) is an unincorporated community in western San Luis Obispo County, California.

[2] According to the United States Census Bureau, the CDP had a total area of 7.6 square miles (20 km2), of which 99.87% was land and 0.13% was water.

This locale was settled originally by Chumash peoples who developed habitation sites and exploited marine resources for food.

25.6% of all households were made up of individuals, and 12.2% had someone living alone who was 65 years of age or older.

In the California State Legislature, Baywood-Los Osos is in the 17th Senate District, represented by Democrat John Laird, and in the 30th Assembly District, represented by Democrat Dawn Addis.