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Conferences in California 2026–2027: Dates & Deadlines

140 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 18 November 2026.

California is one of 95 cities with listings in USA.

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November 2026

38 conferences

Questions about conferences in California

What conferences are happening in California?

140 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 18 November 2026.

Are there California conferences with an open call for papers?

56 conferences are still accepting abstracts. The next deadline is 13 November 2026.