| Thad Tillotson | |
| Position: | Pitcher |
| Bats: | Right |
| Throws: | Right |
| Birth Date: | 20 December 1940 |
| Birth Place: | Merced, California, U.S. |
| Death Place: | Merced, California, U.S. |
| Debutleague: | MLB |
| Debutdate: | April 14 |
| Debutyear: | 1967 |
| Debutteam: | New York Yankees |
| Finalleague: | MLB |
| Finaldate: | August 11 |
| Finalyear: | 1968 |
| Finalteam: | New York Yankees |
| Statleague: | MLB |
| Stat1label: | Win–loss record |
| Stat1value: | 4–9 |
| Stat2label: | Earned run average |
| Stat2value: | 4.06 |
| Stat3label: | Strikeouts |
| Stat3value: | 63 |
| Stat2league: | NPB |
| Stat21label: | Win–loss record |
| Stat21value: | 3–4 |
| Stat22label: | Earned run average |
| Stat22value: | 6.35 |
| Stat23label: | Strikeouts |
| Stat23value: | 20 |
| Teams: | |
Thaddeus Asa Tillotson, Jr.[1] (December 20, 1940 – May 16, 2012) was a relief pitcher in Major League Baseball pitcher. Listed at 6' 2", 195 lb., Tillotson batted and threw right handed. He was born in Merced, California.
Tillotson played for the New York Yankees in and . He also played one season in Japan for the Nankai Hawks in .
Tillotson was originally signed by the Los Angeles Dodgers as an amateur free agent in 1960. In 50 career games, he had a 4–9 record with a 4.06 earned run average.