Jim Lewis may refer to:

• Jim Lewis (novelist) (born 1963), American novelist
• Jim Lewis (writer) (born 1955), Muppet writer

• Jim Lewis (1980s pitcher) (born 1955), Minnesota Twins, Seattle Mariners, and New York Yankees pitcher
• Jim Lewis (1990s pitcher) (born 1964), San Diego Padres baseball pitcher
• Jim Lewis (basketball), WNBA head coach
• Jim Lewis (footballer, born 1909) (1909–1980), Welsh footballer who played for Watford during the 1930s and early 1940s
• Jim Lewis (footballer, born 1927) (1927–2011), English footballer who played for Chelsea during the 1950s
• Jim Lewis (Irish footballer) (1874–1957), international goalkeeper
• Jim Lewis (racehorse owner) (1934–2023), owner of Best Mate
• Jim Lewis (Negro leagues), Negro leagues baseball player

• James Paul Lewis, Jr., perpetrator of one of the longest running Ponzi schemes in history
• Jim Lewis (astrologer) (1941–1995), American astrologer
• Jim Lewis (business executive) (born 1953), former president of Disney Vacation Club, now an executive with Wal*Mart Stores

• James Lewis (disambiguation)
• Lewis (surname)