Red Youth may refer to:

• Red Youth (Norway)
• Red Youth (Netherlands)
• Red Youth Front
• Red Youth (Marxist-Leninist)

• Leonard Cottrell
• Leonard Cowherd
• Leonard Cox
• Leonard Coxe
• Leonard Cracknell
• Leonard Craske
• Leonard Crawley
• Leonard Crossland
• Leonard Crow Dog
• Leonard C. Sanford
• Leonard Curtis
• Leonard Cutler Sanford
• Leonard Cutter
• Leonard C. Wyon
• Leonard Dacre
• Leonard Dalton Abbott
• Leonard Danilewicz
• Leonard Davis Institute
• Leonard Davis Institute of Health Economics
• Leonard Davis (judge)
• Leonard Davis School of Gerontology
• Leonard Dawe
• Leonard DeLonga
• Leonard De Paur
• Leonard Development Group