Hagen Stamm

{{short description|German water polo player}}

{{Infobox sportsperson

| name = Hagen Stamm

| birth_date = {{b-da|12 June 1960}}

| birth_place = West Berlin, West Germany

| death_date =

| death_place =

| sport = Water polo

| show-medals = yes

| medaltemplates =

{{MedalCountry | {{FRG}} }}

{{MedalCompetition|Olympic Games}}

{{MedalBronze|1984 Los Angeles|Team competition}}

{{MedalCompetition|World Championships}}

{{MedalBronze|1982 Guayaquil|Team competition}}

{{MedalCompetition|European Championships}}

{{MedalGold|1981 Split|Team competition}}

{{MedalGold|1989 Bonn|Team competition}}

}}

Hagen Stamm (born 12 June 1960) is a former water polo player from Germany, considered to be one of Germany's best in the last twenty years, having won the bronze medal at the 1984 Summer Olympics in Los Angeles, California, and won two European Championships gold medals in 1981 and 1989.

In 2000 Stamm took over the German men's team as head coach and became fifth at the 2004 Summer Olympics in Athens, Greece. Stamm is the club president of German series champion Wasserfreunde Spandau 04.