Arni-Islisberg is a former municipality in the district of Bremgarten in the canton of Aargau, Switzerland.

Arni-Islisberg on the map (1982)

It was created in 1803. It ceased to exist in 1983, when it was split into the two new municipalities Arni and Islisberg.

47°19′5.62″N 8°25′9.49″E / 47.3182278°N 8.4193028°E / 47.3182278; 8.4193028