Alaettin is a Turkish name, a variant of Aladdin. Notable people with the name include:
Given name Alaettin Çakıcı (born 1954), Turkish crime boss Alaettin Ekici (born 2009), Turkish footballer Alaettin Tahir (1949–2004), Macedonian author, researcher and journalist
Places Alaettin, Gönen, neighbourhood in the municipality and district of Gönen, Türkiye