- Sex: Male
- Birth Date: 1982-05-13 / age 29
- Manager / Agent: N/A
- Division: Junior Flyweight
- Rating: WBO Champion
- Height: 5′ 3″ / 160cm
- Reach: N/A
- Alias: Ahas
- Residence: Bacolod City, Negros Occidental, Philippines
- Birth Name: Donnie Liboon Nietes
Donnie Nietes, who is a Filipino professional boxer, was born in Bacolod City, Philippines on May 13, 1982 and stands 5 feet 3 inches. His first fight was against Walter Suaybaguio in San Fernando, Cebu, Philippines, winning a six round unanimous decision. Also known as Ahas, he has fought 29 times, winning 25 with 14 of those wins via knockout, with 1 loss and 3 draws.
He won the WBO minimumweight title with a unanimous 12-round decision against Pornsawan Porpramook in Cebu City Waterfront Hotel, Lahug, Cebu City, Cebu, Philippines on September 30, 2007.
Nietes currently holds the WBO Jr. Flyweight title, which he won back on October 8, 2011, when he defeated then WBO champion Ramon Garcia Hirales. Nietes captured the title by a 12th round unanimous decision.