| Noc: | TAN |
| Nocname: | Tanzania Olympic Committee |
| Games: | Summer Olympics |
| Year: | 1968 |
| Location: | Mexico City |
| Competitors: | 4 (4 men) |
| Sports: | 2 |
| Flagbearer: | Norman Chihota |
| Gold: | 0 |
| Silver: | 0 |
| Bronze: | 0 |
| Appearances: | auto |
Tanzania competed at the 1968 Summer Olympics in Mexico City, Mexico. Previously, the nation had competed as Tanganyika.
See main article: Athletics at the 1968 Summer Olympics.
| Athlete | Event | Heat | Quarterfinal | Semifinal | Final | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Result | Rank | Result | Rank | Result | Rank | Result | Rank | |||
| John Stephen Akhwari | Marathon | 3:25:17 | 57 | |||||||
| align=left rowspan=2 | Norman Chihota | 100 m | 10.57 | 5 | did not advance | |||||
| 200 m | 21:28 | 6 | did not advance | |||||||
| Claver Kamanya | 400 m | 45.74 | 2 Q | 46.03 | 3 Q | 46.22 | 7 | did not advance | ||
See main article: Boxing at the 1968 Summer Olympics.