Zabdiel Judah (born October 27, 1977) is an American former professional boxer who competed between 1996 and 2019. He held multiple world championships in two weight classes, having held the IBF and WBO junior welterweight titles between 2000 and 2004; the IBF junior welterweight title again in 2011; and the undisputed welterweight title in 2005, which included a reign as the lineal champion from 2005 to 2006. Judah's career ended in 2019 when he was hospitalized after suffering a brain bleed in a stoppage loss to Cletus Seldin.
Judah began boxing at the age of six and compiled an amateur record of 110–5. He was a two-time US national champion and three-time New York Golden Gloves Champion. He also won the 1996 PAL National Championship. Judah beat Ishe Smith and Hector Camacho, Jr., but lost to David Díaz in the finals of the Olympic trials, thus failing to qualify for the Olympic boxing team.