Gunn can refer to:

• Gunn High School - A High School in Palo Alto, CA.
• Gunn (Valkyrie) - One of the Valkyries in Norse Mythology.
• Gunn diode - A form of diode used in high-frequency electronics

Places named Gunn:

• Gunn City, Missouri

People named Gunn:

• Charles Gunn
• Donald Gunn
• Genni Gunn
• James Gunn
• Neil M. Gunn
• Peter Gunn
• Richard Gunn
• Thom Gunn