Ernst David Bergmann (Hebrew: ארנסט דוד ברגמן; 1903 – April 6, 1975) was an Israeli nuclear scientist and chemist.

Bergmann continued to work at the university and wrote the "Comprehensive Manual of Organic Chemistry" (Ausführliches Lehrbuch der Organischen Chemie) together with Schlenk.

Bergmann left for London in 1933 soon after the Nazis came to power, and began work with chemist and Zionist leader Chaim Weizmann.

[4][5] During his lifetime Bergmann published more than 500 peer reviewed scientific papers in international journals, and made critical contributions to fluorine chemistry.

[6][7] In 1956, Bergmann was awarded the Weizmann Prize For his work in the field of organic chemistry and for promoting theoretical and practical science in Israel.