← → 1973 (MCMLXXIII) was a common year starting on Monday of the Gregorian calendar, the 1973rd year of the Common Era (CE) and Anno Domini (AD) designations, the 973rd year of the 2nd millennium, the 73rd year of the 20th century, and the 4th year of the 1970s decade.

It was also the second year of the first post-independence government in Bangladesh.

Note: For the year 1973 average official exchange rate for BDT was 7.85 per US$.

Seven freedom fighters killed in action during the Liberation War of 1971 were awarded Bir Sreshtho title on 15 December 1973:

This Bangladeshi history-related article is a stub.