This is a list of Knights Companion of the Order of the Star of India. The Letters Patent of 23 February 1861 founding the Order were gazetted on 25 June 1861, and established that the Order would consist of the Sovereign (the Queen of the United Kingdom), the Grand Master (the Viceroy of India, ex officio) and 25 Knights, who bore the postnominal KSI.
Letters Patent of 28 March 1866, gazetted on 25 May 1866, expanded the Order to include the Sovereign, the Grand Master, 25 Knights Grand Commanders, 50 Knights Commanders, and 100 Companions. There were later further extensions to the membership. At the time of the expansion of the Order in 1866, the surviving Knights Companions became Knights Grand Commanders (GCSI).
| Date | Image | Name | Notes |
|---|---|---|---|
| 25 June 1861 | The Prince Consort | Died 14 December 1861 | |
| The Prince of Wales | Became GCSI 24 May 1866 | ||
| The Nizam of Hyderabad | |||
| The Viscount Gough | |||
| The Maharajah of Gwalior | |||
| The Lord Harris | |||
| The Maharajah Duleep Singh | |||
| The Lord Clyde | Died 24 August 1863 | ||
| The Maharajah of Jammu and Kashmir | Became GCSI 24 May 1866 | ||
| Sir George Russell Clerk | |||
| The Maharajah Holkar of Indore | |||
| The Maharajah Gaekwad of Baroda | |||
| Sir John Lawrence | |||
| The Maharajah of Patiala | Died 13 November 1862[1] | ||
| Sir James Outram | Died 11 March 1863 | ||
| The Begum of Bhopal | Became GCSI 24 May 1866 | ||
| Sir Hugh Henry Rose | |||
| The Nawab of Rampur | Died 20 April 1865[2] | ||
| 19 August 1861 | The Viscount Combermere | Died 21 February 1865 | |
| Sir George Pollock | Became GCSI 24 May 1866 | ||
| 11 November 1863 | The Rajah Bahadur of Jaipur | ||
| The Rajah Bahadur of Jind | Died 26 January 1864[3] | ||
| 10 December 1864 | The Rajah Bahadur of Kapurthala | Became GCSI 24 May 1866 | |
| The Maharajah of Rewa | |||
| 12 February 1866 | Sir Henry Bartle Frere | ||
| The Maharajah of Jodhpur | |||
| Sir Robert Montgomery | |||
| The Maharajah of Travancore | |||
| Sir William Mansfield | |||
| The Maharajah of Karauli |