- January 1, 1968
- January 2, 1968
- January 3, 1968
- January 4, 1968
- January 5, 1968
- January 6, 1968
- January 7, 1968
- January 8, 1968
- January 9, 1968
- January 10, 1968
- January 11, 1968
- January 12, 1968
- January 13, 1968
- January 14, 1968
- January 15, 1968
- January 16, 1968
- January 17, 1968
- January 18, 1968
- January 19, 1968
- January 20, 1968
- January 21, 1968
- January 22, 1968 (This strip is adapted in Snoopy, Come Home)
- January 23, 1968 (This strip is adapted in A Charlie Brown Celebration)
- January 24, 1968 (This strip is used on the page for January 19 of the Dayspring Peanuts: A Year's Worth of Smiles and Blessings Desk Calendar)
- January 25, 1968
- January 26, 1968
- January 27, 1968
- January 28, 1968
- January 29, 1968
- January 30, 1968
- January 31, 1968
| ← December 1967 | February 1968 → |