Hans-Jürgen Sundermann (25 January 1940 – 4 October 2022) was a German football manager and player who played as a midfielder.

After two years with them he signed for Bundesliga side Hertha BSC and appeared in 29 league matches for them.

Sundermann joined FC Basel's first team for their 1968–69 season under head coach Helmut Benthaus.

At the end of the 1970–71 Nationalliga A season Basel finished the Championship level on points with Grasshopper Club but were defeated in the play-off final 4–3 after extra time in front of 51,000 spectators in the Wankdorf Stadium in Bern.

[6] Following his time with Basel, Sundermann returned to his former club Servette, where he ended his active career in 1976.