António Monteiro is a Portuguese sprint canoeist who competed in the late 1980s and early 1990s.
Monteiro participated in the 1988 Summer Olympics in Seoul, finishing ninth in the K-4 1000m event. He also competed at the 1992 Summer Olympics in Barcelona, where he reached the semifinals of the K-2 500m event and was eliminated. Further details regarding his career, specific race results beyond the Olympics, and personal information are not readily available in standard biographical databases.