Ayer Limau is a state constituency in Malacca, Malaysia, that has been represented in the Malacca State Legislative Assembly.

The state constituency was first contested in 2004 and is mandated to return a single Assemblyman to the Malacca State Legislative Assembly under the first-past-the-post voting system.

Since 2021[update], the State Assemblyman for Ayer Limau is Hameed Mytheen Kunju Basheer from United Malays National Organisation (UMNO) which is part of the state's ruling coalition, Barisan Nasional (BN).

The Ayer Limau constituency contains the polling districts of Sungai Siput, Sungai Jerneh, Ramuan China Kechil, FELCRA Ramuan China Kechil, Ramuan China Besar, Kampung Lekok and Kampung Pinang.

[2] Ethnic breakdown of Ayer Limau's electorate as of 2021[3] According to the Gazette issued on 31 October 2022, the Ayer Limau constituency has a total of 7 polling districts.