Vlatko Đolonga (born 30 September 1976) is a retired Croatian football defender.
He made his debut for the Croatia national football team in a friendly match against South Korea on 10 November 2001.
In the 1994/1995 season, he was loaned out to NK Uskok, that won the Druga HNL.
After his contract ended in June 2007, Đolonga joined NK Mosor, but decided to retire from football in September 2007, after playing just two games for the club.
He made his debut for Croatia in a November 2001 friendly match away against South Korea, coming on as a 46th-minute substitute for Josip Šimunić, and earned a total of 3 caps, scoring no goals.