John Holiday or Johnny Holiday may refer to:

• John Holiday (born 1985) - an American operatic countertenor
• Johnny Holiday (actor) (1912–2009) - an American actor
• Johnny Holiday (film) - a 1949 American crime film
• John Holiday, known as Kid Memphis - an American musician, writer, and actor
• John Holiday - a member of the Protestant martyrs who were burnt on 27 June 1558 in Smithfield, London

• John Holliday
• John Halliday
• Johnny Holliday
• Johnny Hallyday
• Jon Halliday