List of Famous people who died in 1991

The assassination of Rajiv Gandhi, former Prime Minister of India, occurred as a result of a suicide bombing in Sriperumbudur, Chennai, in Tamil Nadu, India on 21 May 1991. At least 14 others, in addition to Rajiv Gandhi, were killed. It was carried out by Thenmozhi Rajaratnam, a member of the Sri Lankan independentist organization Liberation Tigers of Tamil Eelam (LTTE). At the time, India had just ended its involvement, through the Indian Peace Keeping Force, in the Sri Lankan Civil War. Subsequent accusations of conspiracy have been addressed by two commissions of inquiry and have brought down at least one national government.

Simon Scott was an American character actor from Monterey Park, California. He was best known for his role as Arnold Slocum on Trapper John M.D. and as General Bronson on McHale's Navy.

Ullrich Haupt was an American-born German actor. His father, also named Ullrich Haupt, was a German actor who worked in Hollywood films, but he returned to Germany following his father's death in 1931.

Keizō Hayashi was a Japanese civil servant, general officer and the first Chairman of Joint Staff Council (JSC), a post equivalent to Chief of the General Staff in other countries, from 1954 to 1964. He was instrumental in founding the post-war Japan Self-Defense Forces (JSDF) in 1954.

Henri-Marie Joseph Sonier de Lubac, known as Henri de Lubac, was a French Jesuit priest who became a cardinal of the Catholic Church and is considered one of the most influential theologians of the 20th century. His writings and doctrinal research played a key role in shaping the Second Vatican Council.

Jane Stafford (1899–1991) was an American medical writer and chemist. She wrote a nationally syndicated newspaper column called "Your Health - Here's How" and worked for Science Service. She wrote about cancer, polio, heart disease, influenza, sexually transmitted disease, and vitamins. She was assistant director of the NIH Office of Information. Stafford co-founded the National Association of Science Writers and served as president of the Women's National Press Club.

Thomas Arthur Connolly was an American prelate of the Roman Catholic Church. He served as the fifth bishop and first archbishop of the Archdiocese of Seattle from 1950–1975. Born in San Francisco, California, Connolly was ordained to the priesthood in San Francisco in 1926. As a priest, he held several posts in the San Francisco area before being appointed auxiliary bishop of the Archdiocese of San Francisco in 1939. In 1948, Connolly was named coadjutor bishop of the Diocese of Seattle with right of succession to Bishop Gerald Shaughnessy, who had been in poor health for several years. Archbishop Connolly, who selected the episcopal motto Justitia et Pax, took bold steps in supporting the civil rights movement, ecumenical programs, and labor issues. He attended the Second Vatican Council and helped guide the archdiocese through the tumultuous era of the 1960s.

Richard Hubert Bruck was an American mathematician best known for his work in the field of algebra, especially in its relation to projective geometry and combinatorics.