Neil Agius (born June 6, 1986) is a Maltese former swimmer, who specialized in long-distance freestyle events.
He held three Maltese records each in the 400, 800, and 1500 m freestyle until one of them was broken by Edward Caruana Dingli in 2011.Agius qualified for the men's 400 m freestyle at the 2004 Summer Olympics in Athens, by receiving a Universality place from FINA.
He broke a Maltese record and posted his entry time of 4:21.24 from the Easter International Swim Meet in Msida.
As part of his preparations for the Games, Agius attended a 6-week training camp under the guidance of Dave Heller, who coached for the Cardiff Swimming Club.
On the first day of the Games, Agius placed forty-sixth from the morning's prelims.
Swimming in heat one, he rounded out a field of seven swimmers to last place with a slowest time of 4:22.14, less than a tenth of a second (0.10) off his record.