River Avon may refer to:

• Avon River (Mid-Coast Council), New South Wales
• Avon River (Wollongong), New South Wales
• Avon River (Gippsland, Victoria)
• Avon River (Grampians, Victoria)
• Avon River (Western Australia)

• Avon River (Nova Scotia)
• Avon River (Ontario)

• Avon River / Ōtākaro, in the Canterbury Region, where it runs through Christchurch.
• Avon River (Marlborough)

• River Avon, Bristol, running from Acton Turville to Avonmouth (also known as the Bristol Avon).
• River Avon, Devon, running from Ryder's Hill to Bigbury (also known as River Aune).
• River Avon, Warwickshire, running from Naseby to Tewkesbury (also known as Shakespeare's Avon).
• River Avon, Hampshire, running from Pewsey to Christchurch (also known as the Salisbury Avon).
• Avon Water, Hampshire, running from Holmsley in the New Forest to Keyhaven.
• Little Avon River, running from Wickwar to Berkeley, in Gloucestershire.
• Tetbury Avon, a tributary of the Bristol Avon (also called Little Avon).

• River Avon, Falkirk, running from near Cumbernauld to Grangemouth
• River Avon, Strathspey, running from Ben Macdui to Cragganmore
• Avon Water, running from south of Darvel to Motherwell

• Avon (disambiguation)
• List of rivers of Wales, (Welsh: afon for river, often anglicised "avon")
  • River Afan, running through Aberavon, Wales
• Aboño or Avono (originated from the same proto-Celtic root), Asturias, Spain
• List of tautological place names