Newbert is a former settlement in Yuba County, California. It was located 9 miles (14 km) east of Marysville.
A post office operated at Newbert from 1881 to 1898. The place was named for Leander Newbert, its first postmaster.
- ^ a b c Durham, David L. (1998). California's Geographic Names: A Gazetteer of Historic and Modern Names of the State. Quill Driver Books. p. 520. ISBN 9781884995149.