Olinger may refer to:

• Olinger, Pennsylvania, a fictional town that appears in the works of author John Updike
• Olinger, Missouri
• Olinger, Virginia

• Bob Olinger (1850–1881), American frontiersman
• Brian Olinger (born 1983), American runner
• Jean-Paul Olinger (born 1943), Luxembourgian fencer
• John Wallace Olinger (1849–1940), American frontiersman
• Marilyn Olinger (1928–2006), American baseball player
• Rolf Olinger (1924–2006), Swiss alpine skier

• Olinger Tower