Bairoa Gym is a boxing gym located in the Bairoa barrio area of Caguas, Puerto Rico.

El gimnasio Bairoa, as it is known in Spanish, is a famous boxing gym in Puerto Rico because of the list of world champions and top contenders who have trained there. World champions who have used this facility include Alfredo Salsero Escalera, Hector Macho Camacho and Julian Solis. Other boxers have included Alberto Mercado, Miguel Cotto and Juan Carazo.

The gym has been managed since the 1970s by Cuban trainer Julian Delgado . It has a tiger as a logo, probably in allusion to Journey's hit "Eye of the Tiger", from the movie Rocky III.

Miguel Cotto became the gym's first "homegrown" world champion when he conquered the WBO's world Jr. Welterweight title by knocking out Kelson Pinto of Brazil in six rounds in 2004.

On March 3, 2005, former Olympic boxer Joseph Serrano was shot on his head as he was leaving the gym, causing consternation among those present when the incident happened. This was the first violent, non-boxing related incident to happen in the gym; in 1984, a prominent boxer who trained there was murdered outside his apartment at a nearby apartment complex.