Jo

Jo, jo, JO, or J.O. may refer to:

John Sidney McCain III (born August 29, 1936) is an American politician who currently serves as the senior United States Senator from Arizona, in that office since 1987. He was the Republican nominee in the 2008 presidential election.

John Felix Anthony Cena (; born April 23, 1977) is an American professional wrestler, rapper, actor, and reality television show host.

John R. Cash (born J. R. Cash; February 26, 1932 – September 12, 2003) was an American singer-songwriter, guitarist, actor, and author.

John Winston Ono Lennon, MBE (born John Winston Lennon; 9 October 1940 – 8 December 1980) was an English singer-songwriter and activist who co-founded the Beatles, the most commercially successful and musically influential band in the history of popular music.

Jordan (; Arabic: الأردن‎‎ Al-Urdunn), officially The Hashemite Kingdom of Jordan (Arabic: المملكة الأردنية الهاشمية‎‎ Al-Mamlakah Al-Urdunnīyah Al-Ḥāshimīyah), is an Arab kingdom in Western Asia, on the East Bank of the Jordan River.

Joseph Robinette Biden Jr. (; born November 20, 1942) is an American politician who was the 47th Vice President of the United States from 2009 to 2017, having been jointly elected twice with President Barack Obama.