I got the impression it wasn't needed when I went on the Turkey website, and quick google lookup says not needed.
However would appreciate human confirmation, to try to minimize surprises.
Thank you kindly
Just returned from Turkey in December. No visa was needed.
ETA: We are US citizens.
The US State Department has all the info you need:
https://travel.state.gov/content/travel/en/international-travel/International-Travel-Country-Information-Pages/Turkey.html