Unofficial exchange points sold the greenback at VND26,420, down 0.04%.
Vietcombank kept its rate unchanged at VND26,330.
The State Bank of Vietnam lowered its reference rate by 0.03% to VND25,176.
Globally the yen slid on Thursday as concerns mounted over a pivotal election in Japan and a still elusive trade deal with the U.S. to avoid a punishing rise in tariffs, Reuters reported.
Japan's currency traded near a one-year low against the euro as polls showed Prime Minister Shigeru Ishiba's coalition was in danger of losing its majority in the upper house.
The U.S. dollar staged a meagre recovery after U.S. President Donald Trump denied he was planning to fire Federal Reserve Chair Jerome Powell.
The yen slid 0.4% to 148.48 to the dollar, trimming a 0.7% advance in the previous session. The Japanese currency weakened 0.3% to 172.51 per euro, after touching 173.24 on Wednesday, the weakest since July 12, 2024.
The dollar index, which measures the greenback against major peers, rose 0.2% to 98.503 after a 0.3% slide on Wednesday.