The Russian woman was identified as Liudmila Khabarova.
She was hit by a Toyota car about 10 minutes after midnight.
Police said the woman was crossing the Pattaya-Sattahib Road at the None Samakkhi Intersection in Tambon Sareh.
The car driver, Lamai Ongkhaloy, 39, waited for police at the scene. She was shocked and fainted following the accident.
She told police that she was returning from visiting her father at the Bangkok Pattaya Hotel and she did not see the Russian woman crossing the road.