The two deaths included a 54-year-old Thai man in the southern province of Yala who had recently returned from Malaysia, and a 56-year-old Thai woman in Bangkok, said Anupong Sujariyakul, a senior official at the public health ministry's Department of Disease Control.
The two died on Sunday, he said.
Earlier on Monday, Thailand reported 136 new coronavirus cases, raising the total number of infections to 1,524.Among 1,388 patients still hospitalised, 23 were in critical condition, Anupong said.