Nepenthes taminii is a tropical pitcher plant endemic to Sumatra.
The species is known to occur at West Sumatra from a few population, at an elevation range of 900 to 1000 meters above sea level.
The species is named after Rusjdi Tamin (1941–2005), an Indonesian, founder of Herbarium Universitas Andalas, and a well-known Nepenthes enthusiast.