1968 (MCMLXVIII) was a leap year starting on Monday.
| Date | Event(s) | |
|---|---|---|
| January 1 | Birth of Steve Belfer. | |
| January 4 | Birth of Marc Ceccarelli. | |
| February 24 | Birth of Eric Coleman. | |
| April 3 | Birth of Sebastian Bach, the voice of Triton. | |
| May 13 | Birth of Paul Tibbitt. | |
| June 13 | Birth of Fred Tatasciore, the voice of The Mawgu and Dennis in The SpongeBob SquarePants Movie video game. | |
| July 18 | Birth of Mark O'Hare. | |
| September 4 | Birth of John DiMaggio, the voice of BlackJack. | |
| October 29 | Birth of Tom King. | |
| November 18 | Birth of Rich Fulcher, the voice of Fuzzy Acorns. | |
| November 19 | Birth of Derek Drymon, creative director and writer for the first three seasons, and the first movie. | |
| December 25 | Birth of Chris Headrick. | |