Hombourg-Haut (French pronunciation: ​[ɔ̃buʁ o]; German: Oberhomburg) is a commune located in the department of Moselle, region of Grand Est, in the cultural and historical region Lorraine, north-eastern France.

Hombourg-Haut is an old medieval fortress town, built in the thirteenth century by the bishops of Metz. The old village lies at the foot of the imposing collegiate church in a green and wooded landscape.

Nowadays, the city has several neighbourhoods: the old Hombourg, the old village of Hellering, urban areas with HLMs built in the 1950s-1960s and residential district. The inhabitants of the commune are known as Hombourgeois and Hombourgeoises.