Charles Blair may refer to:

• Charles Stanley Blair (1927–1980), United States federal judge
• Charles F. Blair Jr. (1909–1978), United States Air Force general
• Chandos Blair (1919–2011), general and former Defence Services Secretary
• Chuck Blair (1928–2006), Canadian ice hockey player
• Charles W. Blair (1829–1899), Union Army general
• Charles A. Blair (1854–1912), member of the Michigan Supreme Court, 1905–1912
• Charlie Walker-Blair (born 1992), English rugby union footballer

• Penrhyn, Gwynedd
• Penrhyn House
• Penrhyn (Language)
• Penrhyn Llyn
• Penrhyn Slate Quarry
• Penrhyn Tongareva Airport
• Penrice Community College
• Penrith and Cockermouth by-election, 1921
• Penrith and Eden Museum
• Penrith and The Border by-election, 1983
• Penrith Brothers
• Penrith District Junior Rugby League
• Penrith Lakes
• Penrith Museum of Fire
• Penrith North Lakes railway station
• Penrith state by-election, 2010
• Penrith, Washington
• Penrod and His Twin Brother
• Penrod and Sam
• Penrod and Sam (disambiguation)
• Penrod and Sam (film)
• Penrod's Double Trouble
• Penrod, Steve
• Penrose Almshouses
• Penrose, Barrie