John Leng may refer to:

• John Leng (politician) (1828–1906), Liberal Party politician in Scotland
• John Leng (bishop) (1665–1727), English churchman and academic, bishop of Norwich, 1723–1727

• Roger Boylan
• Roger Bradfield
• Roger Branigin
• Roger Brese
• Roger Brierley
• Roger Brooke
• Roger Broughton (cricketer)
• Roger Brown
• Roger Brown (artist)
• Roger Brown (basketball, born 1942)
• Roger Brown (basketball, born 1950)
• Roger Brown (defensive tackle)
• Roger Brown (psychologist)
• Roger Bruce Myerson
• Roger Brucker
• Roger bruns
• Roger Bruns
• Roger Burkman
• Roger Bushell
• Roger Butler House
• Roger Béteille
• Roger Callahan
• Roger Calmel
• Roger Camille
• Roger Carcassonne