Elio "Lito" Álvarez (born 5 December 1947) is a former professional tennis player from Argentina.

Álvarez played collegiate tennis for the UCLA Bruins, on the same team as Jimmy Connors, in the early 1970s.

[2] He played mainly in doubles rubbers but had two wins in the singles, against Carlos Kirmayr and Luis Felipe Tavares, both of Brazil.

[2] Álvarez made the second round of the singles draw at a Grand Slam tournament five times, from 14 attempts, but was unable to progress any further.

[3] As well as being runner-up at the Dutch Open in 1977, Álvarez made six Grand Prix/WCT doubles finals, for one win, at São Paulo in 1976.