Gurbaksh Singh Dhillon (18 March 1914 – 6 February 2006) was an officer in the Indian National Army (INA) who was charged with "waging war against His Majesty the King Emperor". Along with Shah Nawaz Khan and Prem Kumar Sahgal, he was tried at the end of World War II in the INA trials that began on 5 November 1945 at Red Fort. Dhillon also played an important role in the Indian independence negotiations.
Gurbaksh Singh Dhillon was born at Algon on 18 March 1914, the fourth child of Sardar Takhar Singh, a veterinary surgeon in the 8th King George's Own light cavalry.
Dhillon's early education was at Changa Manga, a government primary school. After passing 4th class he went on to a number of other schools, namely, Government High School, Chunian in Lahore district; Government High School, Dipalpore in Montgomery district; Vernacular Middle School, Raiwind in Lahore district; Victoria Dalip High School, Solan in Baghat; Dayanand Anglo Vernacular High School, Montgomery, and lastly Gordon Mission College, Rawalpindi.
His exposure to many different religions during this time made him into a secular person. He was a member of the Boy Scout Association. He spoke Persian, Urdu, Hindi, Punjabi and English.
In 1931, he graduated from Dayanand Anglo Vernacular High School, Montgomery, and joined the faculty of science in Gordon Mission College, Rawalpindi. He failed to qualify for an F.Sc. at Punjab University in 1933, ending his dream of becoming a doctor. Early that year, his father had retired from service, and after matriculation, he was unable to get a job.