JRR

JRR may refer to:


 * J. R. R. Tolkien (1892–1973), English writer, poet, philologist and university professor
 * Jaime Robbie Reyne (born 1985), Australian singer
 * Jay Robinson Racing, a racing team
 * Jiru language
 * Jackie Robinson (1919–1972), American baseball player
 * Journal of Raptor Research, a peer-reviewed scientific journal covering birds of prey and raptor research