List of canals in Ireland
- This article covers the whole of Ireland, that is, covering both the Republic of Ireland and Northern Ireland
 
Navigable canals
- Ardnacrusha Canal
 - Grand Canal
 - Jamestown Canal
 - Lecarrow Canal
 - Newry Ship Canal
 - Royal Canal
 - Shannon–Erne Waterway
 - Tralee Ship Canal
 - Barrow Navigation
 
Derelict canals
- Athlone Canal
 - Ballinasloe Canal
 - Boyne Navigation
 - Bridgetown Canal
 - Broharris Canal
 - Coalisland Canal (Tyrone Navigation)
 - Cong Canal (Dry Canal)
 - Dukart's Canal
 - Eglinton Canal
 - Lacy's Canal
 - Lismore Canal
 - Kilkenny Canal
 - Killaloe Canal & Plassey–Errina Canal
 - Lagan Canal (Lagan Navigation)
 - Newry Canal
 - Park Canal
 - Strabane Canal
 - Ulster Canal
 
Filled-in branches or spurs
- Grand Canal Harbour (near St. James's Gate) branch, Dublin
 - Royal Canal branch to Constitution Hill harbour, Dublin (aka the Broadstone line)
 
See also
Navigable rivers
- Barrow Navigation
 - Lower Bann Navigation
 - River Foyle
 - River Lagan
 - Lee Navigation
 - Munster Blackwater & Bride Navigation
 - Shannon Navigation
 - Slaney Navigation
 - Suck Navigation
 - Suir Navigation
 - Rivers of Ireland
 - List of rivers of Ireland