Thakur Sahib Karansinhji II Vajirajji CSI (10 January 1846 â 8 August 1924) was the 12th ruler of the non-salute princely state of Lakhtar.
Karansinhji became ruler of Lakhtar on 15 June 1846, aged five months. He attended the 1911 Delhi Durbar, and in the 1911 Delhi Durbar Honours was appointed a Companion of the Order of the Star of India (CSI). He died on 8 August 1924 after a long reign of . His reign was one of the longest reigns in Indian history and the sixth longest of any verifiable ruler.