Isawa may refer to:
Religion Aissawa, a Sufi order in Morocco Isawa (Nigeria), an Islamic subgroup in Nigeria
Iwate Prefecture Isawa District, Iwate, a district of Iwate Prefecture, Japan Isawa, Iwate, a former town, now part of Oshu City, Iwate Prefecture Isawa River, a river in Iwate Prefecture
Yamanashi Prefecture Isawa, Yamanashi, a former town, now a part of Fuefuki City, Yamanashi Prefecture, Japan Isawa-onsen Station, a railway station on the JR Chūō Main Line in Yamanashi Prefecture