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Conferences in California 2026–2027: Dates & Deadlines

91 upcoming conferences in California, USA, are listed through August 2027. Engineering and technology, medical and health science and physical and life sciences have the most listings, and the next conference starts on 22 November 2026.

California is one of 94 cities with listings in USA.

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November 2026

27 conferences

December 2026

63 conferences

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Questions about conferences in California

What conferences are happening in California?

91 conferences are listed in California through August 2027, most often in engineering and technology, medical and health science and physical and life sciences.

When is the next conference in California?

The next listed conference starts on 22 November 2026.

Are there California conferences with an open call for papers?

43 conferences are still accepting abstracts. The next deadline is 15 November 2026.