Justice C.K. Thakker (born November 10, 1943) is a judge in the Supreme Court of India.

Justice Thakker was born at Mander near Porbandar in the State of Gujarat. He took primary education in Mander and Madhavpur, graduated from Bahauddin College, Junagadh and obtained an LL.B. degree from M.P. Shah Law College, Jamnagar. He obtained LL.M. Degree from Gujarat University, and started his practice from 1968 in the High Court of Gujarat.

He was appointed as Part-Time Lecturer in Law in Sir L.A. Shah Law College, Ahmedabad, in 1970 and continued as such until he was elevated to Judge of the High Court of Gujarat on June 21, 1990. He was further promoted to Chief Justice of High Court of Himachal Pradesh, Shimla on May 5, 2000 and transferred as the Chief Justice of High Court of Judicature at Mumbai on December 31, 2001. He was also Acting Governor of the State of Maharashtra from July to October 2002. His Lordship was appointed as a judge of the Supreme Court of India on June 7, 2004.

Justice Thakker has a son and a daughter who both practice law in Gujarat High Court, Ahmedabad.