Constantijn Theodoor, Count van Lynden van Sandenburg, (24 February 1826 – 18 November 1885) was a Dutch politician who served as Chairman of the Council of Ministers (prime minister) of the Netherlands between 1879 and 1883.

He registered to study Law at Utrecht University on 29 March 1844, and obtained a doctorate on 10 October 1848 with a dissertation entitled An matrimonio Ducis de Montpensier pax Rheno-Trajectina violata dici possit.

In the House, he sided with the antirevolutionaries and Christian historicals, and concerned himself with various topics, including justice, agriculture, colonial affairs and education.

Following Simon Vissering's resignation on 13 June 1881, Van Lynden van Sandenburg was appointed Minister of Finance, and he resigned as Minister of Foreign Affairs on 15 September of that year.

He served in the Senate until 8 November 1885, and died five days later in Sandenburg Castle in Langbroek.