List of Famous people named Dennis

Dennis H. Klatt was a noted American researcher in speech and hearing science. Klatt was the pioneer of computerized speech synthesis and created an interface which allowed for speech for non-expert users for the first time. Prior to his work, non-verbal individuals would need specialist support to be able to speak at all. The DECtalk speech synthesizer, best known as Stephen Hawking's voice, was based on Klatt's own voice.

Dennis Anthony Tito is an American engineer and entrepreneur, most widely known as the first space tourist to fund his own trip into space. In mid-2001, he spent nearly eight days in orbit as a crew member of ISS EP-1, a visiting mission to the International Space Station. This mission was launched by the spacecraft Soyuz TM-32, and was landed by Soyuz TM-31.

Dennis Cleveland Stewart was an American actor and dancer.

Dennis W. Day was an American actor, singer, dancer and theater director, best known as one of the original cast members of The Mickey Mouse Club. After ending his career as a child actor, he went on to work as a theater director before relocating to Oregon in the 1980s.

Dennis Morgan was an American actor-singer. He used the acting pseudonym Richard Stanley before adopting the name under which he gained his greatest fame.

Dennis Waterman is an English actor and singer. He is best known for his tough-guy leading roles in television series including The Sweeney, Minder and New Tricks, singing the theme tune of the latter two.

Dennis Lee Eckersley, nicknamed "Eck", is an American former professional baseball pitcher. Between 1975 and 1998, he pitched in Major League Baseball (MLB) for the Cleveland Indians, Boston Red Sox, Chicago Cubs, Oakland Athletics, and St. Louis Cardinals. Eckersley had success as a starter, but gained his greatest fame as a closer, becoming the first of two pitchers in MLB history to have both a 20-win season and a 50-save season in a career.

Dennis Haskins is an American actor known for his role as principal Richard Belding in the teen sitcom Saved by the Bell, which ran from 1989 to 1993 on NBC. He then went on to star in Saved by the Bell: The New Class, which aired from 1993 to 2000. He also portrayed the role as a regular in Good Morning, Miss Bliss.

Dennis Lynn Heck is an American entrepreneur and politician serving as the 17th and current lieutenant governor of Washington. A member of the Democratic Party, he served as the U.S. Representative for Washington's 10th congressional district from 2013 to 2021.

Dennis Banks was a Native American activist, teacher, and author. He was a longtime leader of the American Indian Movement, which he co-founded in Minneapolis, Minnesota in 1968 to represent urban Indians.