Tresnuraghes is a comune, or municipality, located in the Province of Oristano within the Italian region of Sardinia. It is situated approximately 130 kilometres (81 mi) northwest of Cagliari and about 40 kilometres (25 mi) north of Oristano.
The name Tresnuraghes translates to "three nuraghes" in the Sardinian language, referring to the ancient megalithic structures characteristic of the island's archaeological landscape.