Restaurants in Ontario, CA

We list 421 restaurants in Ontario, CA. Mexican, American and Hamburgers & Hot Dogs are the cuisines you'll find most often.

Updated October 2026

How many restaurants are there in Ontario, CA?

421 are listed so far. None has five or more diner reviews in our data, so the list isn't ranked by rating yet; the most common cuisines are Mexican, American and Hamburgers & Hot Dogs.

What are the most common cuisines in Ontario, CA?

By number of places: Mexican (81), American (62), Hamburgers & Hot Dogs (56), Latin American (40) and Pizza (39). A restaurant that serves two cuisines counts once for each.