X29

X29 may refer to:

• X.29, a telecommunications standard
• X29 (New York City bus)
• Grumman X-29, an American experimental airplane
• X29, a bus route in Wales run by Lloyds Coaches
• X29, a bus route from Southend in England run by Eastern National Omnibus Company
• X29, a diesel locomotive of the Tasmanian Government Railways X class