Washington Boulevard is an east-west arterial road in Los Angeles County, California spanning a total of 27.4 miles (44 km).

Washington merges into Culver Boulevard briefly, but forms back into its own street at Canfield Avenue.

Washington Boulevard, which is primarily four lanes but has some six-lane sections, passes through locations in the mid-southern portion of Los Angeles County.

Mayor Owen McAleer "has set aside that stretch of the highway to those drivers who delight in vying with each other off the racetrack, and policemen have been given to understand that some latitude is to be allowed horsemen there.

A portion of the Metro A Line runs along Washington Boulevard (serving the Grand/LATTC, San Pedro and Washington stations), from Flower Street to Long Beach Avenue, while the Metro E Line serves a rail station near the intersection with National Boulevard.