William Hartung

William or Billy Hartung may refer to:

• William D. Hartung (born 1955), American military expert
• Billy Hartung (actor) (born 1971), American actor and dancer
• Billy Hartung (footballer) (born 1995), Australian rules footballer

See also

• Willi Hartung (1915–1987), Swiss painter
• Wilfried Hartung (born 1953), German swimmer