Fjäre Hundred (Swedish: Fjäre härad) was a hundred in Halland, Sweden.

It was composed of Fjärås, Frillesås, Förlanda, Gällinge, Hanhals, Idala, Landa, Onsala, Släp, Tölö, Vallda, Älvsåker and Ölmevalla parishes in Kungsbacka Municipality as well as Lindome parish in Mölndal Municipality^[1]