1973 (MCMLXXIII) was a common year starting on Monday.
| Date | Event(s) | |
|---|---|---|
| March 1 | Birth of Tony Craig, layout artist. | |
| May 10 | Birth of Julie Nathanson. | |
| May 11 | Birth of Incidental 45. | |
| June 8 | Birth of Eric Shaw. | |
| July 25 | Birth of Ed Baker, storyboard director. | |
| August 22 | Birth of Kristen Wiig, the voice of Madame Hagfish. | |
| August 24 | Birth of Grey DeLisle, the voice of Roxy and Preda Tory. | |
| September 5 | Birth of Aaron Springer. | |
| November 14 | Birth of Dana Snyder, the voice of GrandPat Star in The Patrick Star Show. | |