El Segundo Boulevard is a west-east thoroughfare in Los Angeles County. It has a total length of 11.9 miles (19.2 kilometers). At one time, it was named "Ballona Avenue"
El Segundo Boulevard begins as a minor street in Lynwood. When it runs through Willowbrook, Gardena, Hawthorne, and El Segundo, it is mostly a major street before its west end in El Segundo. For much of its existence, El Segundo Boulevard is in the same position 128th Street would be.
Gardena Transit line 5 runs along El Segundo Boulevard. The Metro Green Line serves a station at its intersection with Nash Street.