Diamond Bar

Best Fast food Restaurants in Diamond Bar

Looking for the best Fast food restaurants in Diamond Bar? We've gathered 15 spots serving Fast food food in Diamond Bar, ranked by real diner reviews and ratings. Browse photos, check menus, and request a free reservation — all in one place. Updated June 2026.

Unclaimed

Best Fast food Restaurants in Diamond Bar

Jimmy John's

McDonald's

Del Taco

Chipotle Mexican Grill

KFC

Subway

Taco Bell

WG0205 - Diamond Bar (Grand)

8042 - Nekter Juice Bar

Boba Station

Popeyes

Diamond Bar

Habit Burger & Grill

McDonald's

Jack in the Box