Walter Arena (born 30 May 1964) is a male race walker from Italy.
He continues to race, winning the M45 at the 2012 European Masters Athletics Championships 5,000 metres walk.
Walter Arena won three medal (one at individual level), at the International athletics competitions. He participated at one edition of the Summer Olympics (1992), he has 28 caps in national team from 1984 to 1997.