Luso may refer to:
- Luso (Mealhada), a civil parish in the municipality of Mealhada, Portugal
- Luis Eduardo Delgado (born 1984), Spanish footballer commonly known as Luso
- Luso Clemens, the protagonist in the video game Final Fantasy Tactics A2: Grimoire of the Rift
- A prefix meaning relating to Portugal or Portuguese (after the Roman province of Lusitania, roughly corresponding to modern Portugal)
Luso is a civil parish of the municipality of Mealhada, Aveiro district, Portugal. The population in 2011 was 2,593, in an area of 16.87 km². It is renowned by its mineral waters. Águas do Luso, one of the largest Portuguese companies providing mineral water is based there.