| Johann Dihanich | |
| Fullname: | Johann Dihanich |
| Birth Date: | 24 October 1958 |
| Birth Place: | Eisenstadt, Austria |
| Youthclubs1: | ASK Klingenbach |
| Years1: | 1978–1983 |
| Years2: | 1983–1984 |
| Years3: | 1984–1987 |
| Years4: | 1987–1989 |
| Years5: | 1989–1991 |
| Years6: | 1991–1992 |
| Clubs6: | Favoritner AC |
| Caps1: | 145 |
| Caps2: | 29 |
| Caps3: | 79 |
| Caps4: | 69 |
| Caps6: | 34 |
| Goals1: | 8 |
| Goals2: | 4 |
| Goals3: | 4 |
| Goals4: | 7 |
| Goals6: | 4 |
| Nationalyears1: | 1980–1984 |
| Nationalteam1: | Austria |
| Nationalcaps1: | 10 |
| Nationalgoals1: | 0 |
Johann Dihanich (born 24 October 1958, in Eisenstadt) is a retired Austrian football player.
A Rapid Wien fan by origin, Hansi Dihanich started his professional career at city rivals Austria Wien and played 8 seasons for them, split in two periods by a season at SS Wacker Innsbruck. In 1987, he joined Grazer AK, before moving to Second Division VÖEST Linz and finishing his career at FavAC.
He made his debut for Austria in October 1980 against Hungary and earned 10 caps in total. He was a member of Austria's squad at the 1982 FIFA World Cup, but did not play in any of their games.
After his playing career, he became an assistant-coach at Austria and GAK and head coach at some lower league sides.