Authors born in 1978
- Steven Lopez Athlete, 1978
- Sturgill Simpson Musician, 1978
- Summer Phoenix Actress, 1978
- Susan Barker Wrestler, 1978
- Swizz Beatz Rapper, 1978
- Sylvie Meis Model, 1978
- T.W. Shannon Politician, 1978
- Takeru Kobayashi Celebrity, 1978
- Tamera Mowry Actress, 1978
- Tansy Rayner Roberts Author, 1978
- Taryn Manning Television Actor, 1978
- Terrace Martin Musician, 1978
- Tim McIlrath Singer, 1978
- Tommy Haas Tennis Player, 1978
- Tony Yayo Rapper, 1978
- Topher Grace Actor, 1978
- Tyler Labine Actor, 1978
- Tyondai Braxton Composer, 1978
- Tyrese Gibson Singer, 1978
- Usher Musician, 1978
- Vanessa Diffenbaugh Author, 1978
- Vanessa Mae Musician, 1978
- Vernon Wells Baseball Player, 1978
- Vidya Balan Actress, 1978
- Vijay Sethupathi Actor, 1978
- Virender Sehwag Cricketer, 1978
- Virginia Williams Actress, 1978
- Volodymyr Zelensky President, 1978
- Wardell Milan Artist, 1978
- Warren Brown Actor, 1978
- Wes Bentley Actor, 1978
- Wes Moore Writer, 1978
- Will Champion Musician, 1978
- Will Estes Actor, 1978
- Will Youmans Writer, 1978
- William Fitzsimmons Singer-Songwriter, 1978
- Wisin Rapper, 1978
- Xavier Rudd Singer-Songwriter, 1978
- Yael Naim Singer, 1978
- Yasmine Al Masri Actress, 1978