| L. O. Wenckebach | |
| Birth Name: | Ludwig Oswald Wenckebach |
| Birth Date: | 16 June 1895 |
| Birth Place: | Heerlen, Netherlands |
| Death Place: | Noordwijkerhout, Netherlands |
| Nationality: | Dutch |
| Father: | Karel Frederik Wenckebach |
Ludwig Oswald Wenckebach (16 June 1895 – 3 November 1962) was a Dutch sculptor, painter, and medallist. He was the son of the anatomist Karel Frederik Wenckebach and nephew and pupil of the graphic designer and painter Willem Wenckebach. He started as a painter, but in 1920 switched to sculpting. He is best known for his many war monuments and designing the coins issued in the Netherlands between 1948 and 1980.