is the 50th single by the Japanese female idol group Morning Musume. It was released in Japan on July 4, 2012.

One Two Three is a 2008 Bollywood film that is an uncredited remake of the Hollywood movie Blame It on the Bellboy which is about three men staying in the same hotel and have similar sounding surnames. One Two Three stars Sunil Shetty, Paresh Rawal, Tushar Kapoor, Esha Deol, Sameera Reddy, Upen Patel, Neetu Chandra and Tanisha. It revolves around three men who share the same name — Laxmi Narayan. The film was rated an average grosser by boxofficeindia.com.

One, Two, Three is a 1961 American comedy film directed by Billy Wilder and written by Wilder and I.A.L. Diamond. It is based on the 1929 Hungarian one-act play Egy, ketto, három by Ferenc Molnár, with a "plot borrowed partly from" Ninotchka, a 1939 film co-written by Wilder. The comedy features James Cagney, Horst Buchholz, Pamela Tiffin, Arlene Francis, Leon Askin, Howard St. John, and others. It would be Cagney's last film appearance until Ragtime, 20 years later.

1-2-3, 1, 2, 3 or One, Two, Three may refer to:

• 1-2-3 (fuel station), a chain of fuel stations in Norway
• Lotus 1-2-3, a computer spreadsheet program
• Jell-O 1-2-3, a dessert
• 1-2-3 inning, a baseball term for an inning in which no runners reach base