Leonard John Rose

Leonard John Rose
Portrait of Rose by Carleton E Watkins, c. 1880
Member of the California Senate
from the 39th district
In office
January 3, 1887  January 7, 1889
Preceded byDistrict created
Succeeded byJoseph E. McComas
Personal details
Born1827
Bavaria, Germany
Died(1899-05-17)May 17, 1899
Los Angeles, California, U.S.
Political partyDemocratic
Spouse
Amanda Jones
(after 1851)
Children9
Known forAmerican pioneer, viticulturist, and California State Senator

Leonard John Rose (1827 – May 17, 1899) was a California pioneer and politician who served in the California State Senate. He was one of the leaders of the ill-fated Rose-Baley Party, the first emigrant wagon train to attempt the journey from New Mexico to California via Beale's Wagon Road. Rose is the namesake of Rosemead, California.