John Wilder may refer to:

• C. John Wilder (born 1958), U.S. energy industry executive
• John T. Wilder (1830–1917), American soldier and politician
• John Shelton Wilder (1921–2010), American politician, former Lieutenant Governor of Tennessee

• Alaska Route 10 (Cordova-Miles Glacier)
• Alaska Route 10 (Kennecott River-Chitina)
• Alaska Route 10 (Miles Glacier-Cordova)
• Alaska Route 1 (Anchorage)
• Alaska Route 1 (Anchorage-Glennallen)
• Alaska Route 1 (Anchorage-Term Lake Junction)
• Alaska Route 1 (Gakona Junction-Glennallen)
• Alaska Route 1 (Glennallen-Anchorage)
• Alaska Route 1 (Glennallen-Gakona Junction)
• Alaska Route 1 (Homer-Term Lake Junction)
• Alaska Route 1 (Term Lake Junction-Anchorage)
• Alaska Route 1 (Term Lake Junction-Homer)
• Alaska Route 2 (Alcan Border-Delta Junction)
• Alaska Route 2 (Delta Junction-Alcan Border)
• Alaska Route 2 (Delta Junction-Fairbanks)
• Alaska Route 2 (Delta Juntion)
• Alaska Route 2 (Fairbanks)
• Alaska Route 2 (Fairbanks-Delta Junction)
• Alaska Route 2 (Fairbanks-Manley Hot Springs)
• Alaska Route 2 in Fairbanks
• Alaska Route 2 (Manley Hot Springs)
• Alaska Route 2 (Manley Hot Springs-Fairbanks)
• Alaska Route 97
• Alaska's at-large congressional district special election, 1973
• Alaska Sea Grant College Program