Ava Helen Pauling, American humanitarian and activist (d. 1981)
Ava Helen Pauling (born Miller; December 24, 1903 – December 7, 1981) was an American human rights activist and wife of Nobel Prize winner Linus Pauling. Throughout her life, she was involved in various social movements including women's rights, racial equality, and international peace.

An avid New Dealer, Ava Helen Pauling was heavily interested in American politics and social reforms. She is credited with introducing Linus Pauling to the field of peace studies, for which he received the 1962 Nobel Peace Prize. Most prominent among the various causes she supported was the issue of ending nuclear proliferation. Ava Helen Pauling worked with her husband, advocating a stop to the production and use of nuclear arms. Their campaigning helped lead to the Limited Test Ban Treaty between the United States and the Soviet Union, effectively ending the above-ground testing of nuclear weapons.