The three localities with the highest number of new cases were Ho Chi Minh City with 1,636 cases, Can Tho with 998 and Tay Ninh with 787 cases.
Hanoi recorded 455 new cases on Saturday.
The Covid-19 death toll in Vietnam rose to 26,061 with the confirmation of another 203 deaths.
Health authorities also confirmed 1,107 recoveries the same day, bringing the total tally of recovered cases so far to 1,007,566.
Almost 53.6 million people of the nation's 96-million population have been fully vaccinated.