Alligerville Historic District, Historic district in Rochester, United States.

Alligerville Historic District lies in the hamlet of Alligerville, Ulster County, New York, and holds 81 contributing buildings, 5 contributing sites and 8 contributing structures. Its buildings show Greek Revival, Gothic Revival and Italian Villa styles, among them the John & Catrina Alliger House (c. 1828), the Ira Brodhead House (c. 1851) and the John Forbes Hotel (c. 1868).

The district developed after 1828 near Lock 21 of the Delaware and Hudson Canal, which shaped the region's economic growth. The John and Catrina Alliger House is among the earliest structures that document this founding period.

The hamlet takes its name from John and Catrina Alliger, whose c. 1828 house stands in the district. The Reformed Dutch Church of the Clove Chapel dates to c. 1858, and the Union Free District No. 1 School was built in 1878 and altered in 1966. Summer cottages from c. 1935, such as the Hall-Latinville and Hall-Barrett cottages, show later seasonal use.

The district lies in the hamlet of Alligerville, Ulster County, not Rochester; the coordinates 41.79583, -74.19667 place it in the Hudson Valley west of the river. Its 81 contributing buildings, 5 sites and 8 structures line the roads around the former Lock 21 of the Delaware and Hudson Canal. Walking the streets is the way to see the houses, church, school and canal outbuilding.

The district's name comes from John and Catrina Alliger, whose c. 1828 house is the earliest documented building. The Reformed Dutch Church of the Clove Chapel dates to c. 1858, and the Hall-Latinville and Hall-Barrett summer cottages to c. 1935, showing the hamlet's later resort phase.