"Who Says" may refer to:

• "Who Says" (Selena Gomez & the Scene song)
• "Who Says" (John Mayer song)

• Gerhard Meidell Gerhardsen
• Gerhard Meidell Gerhardsen (1912–1986)
• Gerhard Melvin Dahl
• Gerhard Mertins
• Gerhard Michael Frey
• Gerhard M. Kallmann
• Gerhard Mokros
• Gerhard Mueller (engineer)
• Gerhard Muller (geophysicist)
• Gerhard Muller (rower)
• Gerhard Munthe (painter)
• Gerhard Mussner
• Gerhard Müller (disambiguation)
• Gerhard Müller (geophysicist)
• Gerhard Müller (historian)
• Gerhard Müller (rower)
• Gerhard Nenning
• Gerhard Nortier
• Gerhard Oberschlick
• Gerhard Olivier
• Gerhard Petritsch
• Gerhard Pfaffenbichler
• Gerhard Potma
• Gerhard Prasent
• Gerhard Prautzsch