Jeff Long

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