Madame X
- Agnes Meyer Driscoll
- Gloria Romero (actress)
- Ina Raymundo
- Lady X (disambiguation)
- Limeslade Mystery
- Madam X (1994 film)
- Madam X (band)
- Madame X (1916 film)
- Madame X (1920 film)
- Madame X (1929 film)
- Madame X (1937 film)
- Madame X (1954 film)
- Madame X (1955 film)
- Madame X (1966 film)
- Madame X (1981 film)
- Madame X (2010 film)
- Madame X (2021 film)
- Madame X (album)
- Madame X (device)
- Madame X (play)
- Madame X Tour
- Madame Xanadu
- Martha Graham
- Miss X (disambiguation)
- Mister X (disambiguation)
- Pontiac Phantom
- Portrait of Madame X
- The Story of Marie and Julien
- The Strange Madame X
- The Trial of Madame X
- Ulrike Ottinger