| Lewis Arthur Tambs | |
| Birth Date: | 7 July 1927 |
| Birth Place: | San Diego |
| Death Place: | Tempe, Arizona |
| Ambassador From: | United States |
| Country: | Colombia |
| Term Start: | May 2, 1983 |
| Term End: | February 15, 1985 |
| Ambassador From2: | United States |
| Country2: | Costa Rica |
| Term Start2: | August 1, 1985 |
| Term End2: | January 1, 1987 |
| President2: | Ronald Reagan |
| Alma Mater: | University of California, Berkeley University of California, Santa Barbara |
Lewis Arthur Tambs (July 7, 1927 — October 19, 2017)[1] was an American ambassador to Colombia from 1983 - 1985 and Costa Rica from 1985 - 1987.[2] [3] [4] Tambs was born in San Diego, California.[2]