One Is a Lonely Number
- Aasta: 1972
- Riik: United States of America
- Žanr: Drama
- Stuudio: Metro-Goldwyn-Mayer
- Märksõna: marriage, dating, divorce
- Direktor: Mel Stuart
- Osades: Trish Van Devere, Monte Markham, Janet Leigh, Melvyn Douglas, Jane Elliott, Jonathan Goldsmith