Ilava District (Slovak: okres Ilava, Hungarian: Illavai járás) is a district in the Trenčín Region of western Slovakia. Until 1918, the district was part of the county of Kingdom of Hungary of Trencsén.

Municipalities

Ilava District (2020)

Municipality	Area (km)	Population
Bohunice	7.03	793 ()
Bolešov	14.95	1,553 ()
Borčice	4.11	710 ()
Červený Kameň	32.58	672 ()
Dubnica nad Váhom	49.13	23,259 ()
Dulov	5.53	921 ()
Horná Poruba	13.69	1,085 ()
Ilava	7.03	793 ()
Kameničany	5.08	564 ()
Košeca	18.94	2,766 ()
Košecké Podhradie	36.91	1,060 ()
Krivoklát	10.66	240 ()
Ladce	15.68	2,579 ()
Mikušovce	8.49	1,030 ()
Nová Dubnica	11.25	10,942 ()
Pruské	12.92	2,328 ()
Sedmerovec	6	424 ()
Slávnica
Tuchyňa	5.54	807 ()
Vršatské Podhradie	13.43	219 ()
Zliechov	54.38	592 ()