Lahaye is a French surname. Notable people with the surname include:
Damien Lahaye (born 1984), Belgian footballerJean-Luc Lahaye, French singer, television presenter and writerMatthieu Lahaye (born 1984), French racing driverPaul Lahaye (1902–1983), Canadian politicianTim LaHaye (1926–2016), American evangelical Christian minister and authorTristan Lahaye (born 1983), French footballer