Nery Antonio Brenes Cárdenas, (born September 25, 1985) is a Costa Rican sprinter.

[1] He is one of Costa Rica's most prominent track and field athletes and reached the semi-finals at the 400 m sprint in the 2008 Olympic Games in Beijing.

[3] "Brenes improved his personal mark by approximately one second, something nobody expected on a championship, taking the gold medal", cited his trainer and motivator Andrés Oro Fijo Calderón.

[4] He has participated in major events like the 2007 World Championships in Athletics in Osaka, Japan, and achieved a 4th-place finish at the 2008 IAAF World Indoor Championships in Valencia, Spain.

He also finished in 3rd place at the 2008 ÅF Golden League meet in Oslo, Norway.