Ángel Daniel Vassallo Colón (born April 21, 1986) is a Puerto Rican professional basketball player. After completing his high school education, he played for the Tigers of Hargrave Military Academy, reaching the preparatory national finals. Vassallo joined the National Collegiate Athletic Association playing for Virginia Tech. Throughout his college career, Vassallo received several recognitions, including two All-ACC second team inclusions. He finished fifth in the campus' all-time scoring list. In his first Baloncesto Superior Nacional season, Vassallo averaged 25.6 points, 6.7 rebounds, and 4.3 assists per game for the Criollos de Caguas. He made his LNB debut for Paris-Levallois Basket, leading the team to the playoffs. Vassallo has been an All-Star player in both the BSN and LNB.