De Launay
De Launay is a French toponymic surname, a contraction of "de l'Aunay", literally meaning "from Aunay", associated with the noble. Variant: Delaunay. Notable people with the surname include:
- Anne De Launay, a pen name of Raoul Vaneigem, Belgian writer
- Bernard-René Jourdan de Launay
- Charles de Launay, Vicomte de Launay, pen names of Delphine de Girardin, French writer
- Claude de Launay-Razilly
- Claudio Gabriele de Launay
- David de Launay
- Isaac de Launay Razilly
- Louis-Alexandre de Launay, comte d'Antraigues
- Louis Le Provost de Launay
- Marguerite de Launay, baronne de Staal
- Maurice Jean Marie Boudin de Launay de Tromelin