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Catholic Churches in Ontario, CA

7 churches in and around Ontario, California.

Ontario has about 185,285 residents, which works out to 3.8 Catholic churches per 100,000 people. Population: U.S. Census Bureau, 2024 estimate.

Catholic Churches in Ontario

The most complete and owner-verified listings first — hours, phone, website, services. No pay-to-play.

  1. St. George Catholic Church

    505 N Palm Ave, Ontario, CA 91762

    Thu-Fri 6pm-7pm

    Faith formation · Baptism · Confirmation

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  2. St Elizabeth Ann Seton Church

    2713 S Grove Ave, Ontario, CA 91761

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  3. Our Lady of Guadalupe Church

    710 S Sultana Ave, Ontario, CA 91761-2554

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  4. San Secondo d'Asti Catholic Church

    250 N Turner Ave, Ontario, CA 91761

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  5. Cristor Rey Ontario

    730 N Mountain Ave, Ontario, CA 91762

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  6. Guasti Roman Catholic Church

    Ontario, CA

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  7. St. Elizabeth Ann Seton Catholic Church

    Ontario, CA

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7churches
3.8per 100,000 residents
5with a phone
5with a website
1publish hours

Of the 7 Catholic churches listed in Ontario, 5 give a phone number, 1 publishes opening hours and 5 have a website. No national chains here — every church on this page is independent. The nearest bigger selection is Los Angeles with 166.

Ontario 7 churches

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