Steve, Steven or Stephen Schwartz may refer to:

• Stephen E. Schwartz (born 1941), American atmospheric scientist at Brookhaven National Laboratory
• Stephen Schwartz (composer) (born 1948), American musical theater and film lyricist and composer
• Stephen Suleyman Schwartz (born 1948), American journalist, political author, and historian
• Steven Jay Schwartz (born 1951), professor of Space Physics at Imperial College London
• Steven Schwartz (psychologist) (born 1946), American and Australian psychologist
• Stephen Schwartz (diplomat) (born 1958), American diplomat
• Stephen S. Schwartz (born 1983), nominee to the United States Court of Federal Claims
• Stephen Schwartz (pathologist) (died 2020), American pathologist

See also

• Stefan Schwartz, English actor
• Steven O'Mahoney-Schwartz, American Magic: The Gathering player