Hawkeye Fly Fishing Association
- Nonprofit organization devoted to promotion of all types of fly fishing and protection of waters and their inhabitants. Includes background, bylaws, membership information, news, and discussion of conservation issues.
- http://www.hawkeyeflyfishing.com/

Iowa Chapter B.A.S.S. Federation
- Contains tournament news, contact details, discussion forums, articles, and classifieds.
- http://www.iabass.com/

4-H Fish Iowa
- Designed to help kids in grades 4-12 develop team building skills and self confidence and learn basic fishing skills. Includes details of volunteer training programs.
- http://www.extension.iastate.edu/fishiowa