Guptsar Sahib () is a holy Gurdwara (English: Sikh shrine) located on the outskirts of Chhattiana village of Sri Muktsar Sahib district in Punjab, India.
The tenth Sikh guru, Guru Gobind Singh, visited the place after the Battle of Muktsar in 1705.
There was a Muslim saint who was a recluse, named Ibrahim, who received the name Ajmer Singh () when the tenth master came to this village. The shrine of the Pir/Peer is located at near the Gurudwara in northwest direction.