Diemen (Dutch pronunciation: [ˈdimə(n)] ⓘ) is a town and municipality with a population of 31,334 in the province of North Holland, Netherlands.

The town is part of the urban area of Amsterdam and is situated between Amsterdam-Oost (IJburg, Watergraafsmeer), Ouder-Amstel (Duivendrecht), Amsterdam-Zuidoost (Bijlmer, Driemond), and Muiden.

Diemen Noord (English: North Diemen) is located on the south bank of the Amsterdam–Rhine Canal, which separates it from the Amsterdam neighbourhood IJburg, on the west bank of the river Diem, and on the north side of the Amsterdam–Zutphen railway.

Diemen Centrum (English: Diemen Centre) extends from the Watergraafsmeer in the west, from which it is separated by the A10 motorway, all the way to the north-east of municipality with the rural area Overdiemerpolder, an electricity plant, and the green area Diemervijfhoek.

The neighbourhood contains houses and apartment buildings, the largest shopping centre, and the town hall.

It contains houses and apartment buildings, a minor shopping centre, and a location of Inholland University of Applied Sciences.

The railway station Diemen Zuid connects the town to the metro network of the Gemeentelijk Vervoerbedrijf (GVB).

Bus service line 44 drives from Diemen North to the railway and metrostation Amsterdam Bijlmer Arena Metro line 53 stops at two stations (Diemen Zuid and Verrijn Stuartweg) in the Southern district of the town.