Billy McMillan (disambiguation)

Billy McMillan (died 1991) was an Irish footballer.

Billy McMillan may also refer to:

• Billy MacMillan (1943–2023), Canadian hockey player and coach
• Billy McMillen (1927–1975), Irish republican activist and an officer of the Official Irish Republican Army
• Billy McMillon (born 1971), American baseball player

See also

• Bill MacMillan (academic) (born 1950), British academic and former vice-chancellor
• William MacMillan (disambiguation)