Álvaro Betancur (born 3 January 1950) is a Colombian former professional tennis player. Based in Florida, Betancur comes from Medellin originally and featured in seven Davis Cup ties for Colombia during the 1970s. He played in Colombia's Inter-Zonal Final against eventual tournament winners South Africa in 1974 and won a dead rubber singles over Byron Bertram. His Davis Cup career also included a 1979 tie against the United States in Cleveland, where he lost singles matches to John McEnroe and Dick Stockton.