Jack Johnson

• Jack Johnson (boxer), American boxer, first black heavyweight boxing world champion
• Jack Johnson (musician), American singer-songwriter, director, and surfer

Entertainment

• Jack Johnson, member of the American pop-rap duo Jack & Jack
• Big Jack Johnson, blues musician
• Jack Johnson (actor), American actor
• Jack Johnson (film), a 1970 documentary film about the boxer
• Jack Johnson (album), a 1971 album by Miles Davis
• Jack Johnson (character), a fictional character in the U.S. TV series ''Black-ish''

Politics

• Jack Johnson (Canadian politician), politician in Ontario, Canada
• Jack B. Johnson, American criminal and former politician
• Jack Johnson (American politician), American politician in Tennessee

Sports

American football

• Jack Johnson (coach), American football, basketball, and baseball coach
• Jack Johnson (tackle), American football tackle
• Jack Johnson (defensive back), American football defensive back

Baseball

• Jack Johnson (second baseman), African-American baseball player and boxer, nicknamed "Topeka Jack"
• Jack Johnson (outfielder), Negro league baseball player of the 1920s
• Jack Johnson (third baseman), Negro league baseball player of the 1930s

Other sports

• Jack Johnson (English footballer), English footballer
• Jack Johnson (Australian footballer), Australian rules footballer for Essendon
• Jack Johnson (sport shooter), American sport shooter
• Jack Johnson (ice hockey), American professional ice hockey defenseman
• Jack Johnson (rugby league), English rugby league footballer
• Albert Ariel Bedwin Johnson, known as Jack, real tennis world champion
• Jack Johnson (Danish footballer), Danish footballer
• Jack Johnson (racing driver), American dirt modified racing driver.

Other

• Jack Johnson (posseman), one of Wyatt Earp's posse