Jacob Leonard de Bruyn Kops (Haarlem, 22 December 1822 - The Hague, 1 October 1887),[1] was a Dutch liberal economist, politician, and professor in political economy and administrative law at the Delft University of Technology.

He was a liberal and supporter of Jan Kappeyne van de Coppello.

[4] In the House of Representatives he spoke on topics related to trade, transport, and industry.

From 1880 to 1887, he was the oldest member of the House of Representatives and on several occasions chaired the chamber on Prinsjesdag, the annual Dutch speech from the throne.

He wrote a letter of recommendation to Free State president Johannes Brand on behalf of Hendrik Pieter Nicolaas Muller who became consul and later consul-general to the Orange Free State.