Delta–Mendota Canal, Irrigation canal in San Joaquin Valley, California, United States.

The Delta–Mendota Canal is a 117-mile aqueduct of the U.S. Bureau of Reclamation's Central Valley Project, completed in 1951. It runs south from the C.W. Bill Jones Pumping Plant near Tracy, which lifts Delta water 197 feet, along the western edge of the San Joaquin Valley parallel to the California Aqueduct, then turns east past the San Luis Reservoir to end at Mendota Pool on the San Joaquin River.

The canal system was completed in 1951 as part of the Central Valley Project to support growing agricultural needs and water demands in California. It answered the rising need for irrigation as farming in the region expanded rapidly.

The canal's name comes from its two endpoints: the Sacramento–San Joaquin Delta, where water is lifted at the C.W. Bill Jones Pumping Plant, and Mendota Pool on the San Joaquin River. Its water replaces San Joaquin River flows diverted at Friant Dam into the Madera and Friant-Kern canals, so the exchange of water rights underpins farming along the west side of the valley.

The canal can be followed along its 117-mile route on roads crossing it in Alameda, San Joaquin, Stanislaus, Merced and Fresno counties. The Intertie near Tracy links it to the California Aqueduct through two 108-inch pipes, 500 feet long. Water enters O'Neill Forebay before being pumped into San Luis Reservoir by the Gianelli Pumping-Generating Plant.

Near Mendota, the land subsided about 29 feet between 1925 and 1977 due to heavy groundwater pumping. This sinking significantly affected how the canal was built and how it functions today.