Jeffrey Young or Jeff Young may refer to:

• Jeffrey Young (psychologist) (born 1950), American psychologist
• Jeff Young (born 1962), American guitarist, formerly of Megadeth
• Jeff Young (rugby union) (1942–2005), British rugby player
• Jeff Young (singer) (d. 2011), American singer and member of Somethin' for the People
• Jeff Young (keyboard player) (d. 2023), American keyboard player and singer