Despite all the current political chaos in Thailand, the annual reshuffle of the administrative posts was done as usual effective October 1st, the start of the new fiscal year. So far I only know that the governor of Chanthaburi, Prajuck Suvarnapakdee (ประจักษ์ สุวรรณภักดี), was reassigned to Nakhon Ratchasima, as that was changed in Wikipedia just recently.
There also was an additional reshuffle of 13 provincial governors in spring, so by now both my own lists as well as the Wikipedia articles are probably out of date. Too bad the list at the Ministry of Interior, the only complete list I know wasn't updated. It even does not include the changes from April, as it still lists Chet Thanawat (เจตน์ ธนวัตน์) as the governor of Nakhon Nayok, but he was promoted to the more prestigious Khon Kaen province according to that news report. Many provinces on their own webpage have lists or at least the CV of the current governor, but it is much more work to compile such a list from 75 websites. So, any better source for a complete list is welcome.