TRF

TRF may refer to:

• The Rugby Forum, an online forum dedicated to Rugby union and Rugby league.
• Thief River Falls, Minnesota
• Sandefjord Airport, Torp, its IATA airport code, located near Oslo, Norway
• Texas Renaissance Festival
• Tactical Recognition Flash
• Tandem Repeat Finder, bioinformatics software to find tandem repeats
• Terminal Restriction Fragment (TRF) southern blot, the most widely used measurement technique for telomere length
• The Revival Fellowship, a Christian Pentecostal denomination based in Australia
• Thoroughbred Retirement Foundation, racehorse rescue organization
• Three Rivers Festival, an annual festival held in Fort Wayne, Indiana.
• Thyrotropin-releasing hormone (or factor), a peptide hormone secreted by the hypothalamus
• TRF (band), a J-pop group
• The Royal Forums, a message board on World Royalty.
• Tribunal Regional Federal, Brazilian Federal appellate courts
• Tropical Rainforest
• Tuned radio frequency receiver
• PReS Text Reference Files
• Trail Riders Fellowship, a UK organization conserving green lane public rights of way
• The Reinvestment Fund, a Philadelphia-based community development financial institution