Danilo Agustin "J. R." Pinnock (born December 11, 1983) is an American-Panamanian professional basketball player.

Born in Fort Hood, Texas, Pinnock attended Coastal Christian Academy in Virginia Beach, Virginia, and Eagle's Landing High School in McDonough, Georgia.

Pinnock was an early entry candidate who was selected by the Dallas Mavericks in the second round of the 2006 NBA draft, 58th overall and then was later traded to the Los Angeles Lakers for whom he would appear in seven pre-season games.

In September 2007, he was taken first overall in the D-League Expansion Draft by the Rio Grande Valley Vipers.

Danilo Pinnock won the championship again in 2011 when Capitanes de Arecibo repeated as champions.