The Association of Inland Navigation Authorities (AINA) is an unincorporated membership organisation in the United Kingdom. Membership is available for navigation authorities in the United Kingdom who have legal responsibility for managing an inland waterway which is open and operational.

This list is not exhaustive.

• Avon Navigation Trust.
• Basingstoke Canal Authority.
• Bridgewater Canal Company.
• Essex Waterways Limited
• Middle Level Commissioners.

• https://aina.org.uk/members/

• AINA's official website