| Birth Date: | 1937 11, df=y |
| Birth Place: | Berlin, Germany |
| Height: | 1.76m (05.77feet) |
| Weight: | 68kg (150lb) |
| Sport: | Diving |
| Club: | SC Einheit Berlin; Berliner TSC |
| Show-Medals: | yes |
Hans-Dieter Pophal (born 22 November 1937) is a retired German diver. He competed in the springboard at the 1960 and 1964 Summer Olympics and finished in eighth and fourth place, respectively.
Pophal dominated the 3 m springboard event in the 1960s in Germany, winning all national titles in 1958 and 1960–1967; he also won a silver medal at the 1962 European Aquatics Championships.
He returned to competitions in the 1990s, winning world titles in the 1 m and 3 m springboard in the masters category in 1994; he also finished second in the 10 m platform.
He is a son in law of Olga Jensch-Jordan, who competed in the springboard at the 1932 and 1936 Olympics.