Court officials said former Tiger spokesman Velayudam Dayanidi, better known as Daya Master, and a top Tiger translator V.K. Pancheratnam were released on cash bail of 22,000 dollars each.
"The chief magistrate Nishantha Hapuarachchi asked them to report to the police every month and their passports were also impounded," the official said.
The two men surrendered to security forces in April as the Tigers faced their final battles before their leader Velupillai Prabhakaran and other top members were killed in mid-May.
They have not been formally charged, but were being held under the Prevention of Terrorism Act. The court official said police did not object to the two men being released on bail.
Sri Lanka claimed victory over the Liberation Tigers of Tamil Eelam (LTTE) in May, but some 300,000 civilians who fled the war zone are still being held in state-run camps.
The military says it wants more time to weed out any rebels who could still be mingling with the civilians in th