| Medal record | ||
|---|---|---|
| Bobsleigh | ||
Representing the  United States | ||
| Olympic Games | ||
 | 1928 St. Moritz | Five-man |
Nion Robert Tucker Sr. (August 21, 1885 – April 22, 1950) was an American banker, civic official, and sportsman who completed in the 1928 Winter Olympics in St. Moritz, winning a gold medal in the five-man bobsleigh event. He was born in Suisun, California, and graduated from the University of California at Berkeley 1909. He was married to Phyllis de Young, a daughter of San Francisco Chronicle founder M. H. de Young. He died at the Palace Hotel in San Francisco.
