FRR may refer to:
- Falls Road Railroad in New York, U.S.
- Federaţia Română de Radioamatorism, an amateur radio organization in Romania
- Forgiveness Rock Record, an album by Canadian indie rock band Broken Social Scene
- Forza Rossa Racing, abbreviation; Romanian Formula One team
- North Frisian language, ISO-639 code frr
- Pays de la Loire, France, ISO-3166-2 code FR-R
- Fast ReRoute, a component of MPLS local protection
- Flight Readiness Review, one of the design reviews from NASA's engineering design life cycle
- Romanian Rugby Federation (Romanian: Federaţia Română de Rugby), the governing body for rugby union in that country
Usage examples of "frr".
Just ninety-five thoustrides, as the halkling flew, to the small Frr town of Reeds Village.