John Jefferson De Haven (also given as de Haven and DeHaven) (March 12, 1845 – January 26, 1913) was a United States representative from California, an associate justice of the California Supreme Court and a United States district judge of the United States District Court for the Northern District of California.

[3] He was admitted to the bar of the district court in Humboldt in 1866 and commenced practice at Eureka, California from 1866 to 1867.

[12][13] De Haven was an associate justice of the California Supreme Court from December 18, 1890, to January 7, 1895, filling the unexpired term of Charles N.

On June 1, 1897, President William McKinley nominated De Haven to a seat on the United States District Court for the Northern District of California vacated by Judge William W. Morrow, who had been elevated to the Ninth Circuit.

[17] De Haven was confirmed as a federal judge by the United States Senate on June 8, 1897, and received his commission the same day.