Sideling may refer to:
In the United States: Sideling Hill, part of the Allegheny Mountains Sideling Hill Creek (Aughwick Creek), a tributary of Aughwick Creek Sideling Hill Creek (Potomac River), a tributary of the Potomac River Sideling Hill Tunnel, one of three original Pennsylvania Turnpike tunnels Sideling Hill Wildlife Management Area, Maryland Sideling Lock, one of several Locks on the C&O Canal
In Australia: Sideling Range, Tasmania Narangba railway station, Brisbane, previously known as Sideling Creek Station
Other: SS Sideling Hill, a ship Sideling, a geologic feature