Jeff or Jeffrey Long may refer to:

• Jeff Long (athletic director) (born 1959), American athletics director
• Jeff Long (writer) (born 1951), American writer
• Jeff Long (sheriff), American commissioner
• Jeffrey Long, American author and researcher on near-death experiences
• Jeffrey C. Long, American genetic anthropologist
• Jeffery D. Long, (born 1969), American scholar of religious studies
• Jeffrey R. Long (born 1969), American inorganic and materials chemist

• Jeoff Long (born 1941), American former professional baseball player
• Geoff Long (1929–2023), Australian rules footballer

This disambiguation page lists articles about people with the same name.
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