| Honorific Prefix: | Sardar Bahadur |
| Arjan Singh Chahal | |
| Office: | Sarbarah |
| Term Start: | 1890 |
| Term End: | 1896 |
| Predecessor: | Man Singh Waraich |
| Successor: | Arur Singh Shergill |
| Birth Date: | 1839 |
| Birth Place: | Chahal, Amritsar, Punjab |
| Father: | Javala Singh |
Sardar Bahadur Arjan Singh Chahal (1839–1908) was a Sikh honourary magistrate and civil judge who served as the manager of Darbar Sahib and the Akal Takht, as a sarbarah appointed by the British Raj from 1890 to 1896.
Arjan Singh Chahal was born in village Chahal, Amritsar, British India to a Jat Sikh family of Chahal clan in 1839. He was seven when his father Javala Singh died in 1846.[1] He held large jagirs in the Tarn Taran tehsil and in the Lyallpur District, present day Punjab, Pakistan.[2]
From 1890 to 1896, Chahal served as the British Deputy Commissioner of Amritsar appointed sarbarah of Darbar Sahib and the Akal Takht. He was appointed president of the 11-member lighting committee set up in 1896 to arrange the installation of electricity in the Darbar Sahib complex.[1]
He received the title of Sardar Bahadur in 1894,[1] and was made a Companion of the Indian Empire in 1906.[2]
Arjan Singh died at the age of 69 in January 1908.[1]