Adan Domingo Sowa (born 15 August 1954) is an Argentine professional golfer.

Sowa was born in Buenos Aires, and turned professional in 1973.

In 1982, Sowa was second in the Jujuy Open on the Argentine Professional Tour, but claimed the first prize cheque because the overall winner was amateur, Luis Carbonetti.

Sowa played on the European Tour from 1978 to 1986, with a best finish of tied 6th in the Italian Open in 1986, on his way to 69th place on the Order of Merit.

His best finish to date is second in the 2006 Seniors Tour Championship, held in Bahrain, where he lost out to Gordon J.