That One may refer to:

• "That One", a 2005 single by Teedra Moses
• "That One", a song on the 2016 album Rocket Science by Rick Springfield
• "Thatone", a song on the album Ipecac Neat by rapper P.O.S.

• Alfred F. Rosenheim
• Alfred, Furst of Windisch-Graetz
• Alfred Fyodorov
• Alfred Gaertner
• Alfred Gaither Allen
• Alfred Gallodoro
• Alfred Gard
• Alfred Garnett
• Alfred Garth Jones
• Alfred Gause
• Alfred G. Berner High School
• Alfred Genon
• Alfred Genovese
• Alfred George Gardiner
• Alfred George Knudson, Jr.
• Alfred George Marten
• Alfred Georges Regner
• Alfred-Georges Regner
• Alfred George Temple
• Alfred German Reed
• Alfred Gescheidt
• Alfred G. Gardiner
• Alfred (GH)
• Alfred G. Hansen
• Alfred Ghiro