1972 Belgian Open Championships

{{TennisEventInfo|1972|Belgian Open Championships|

| date=8–14 May

| edition=6th

| category=Grand Prix (Group C)

| draw=32S / 16D

| prize_money=$25,000

| surface=Clay / outdoor

| location=Brussels, Belgium

| venue=Leopold Club

| champs={{flagicon|ESP|1945}} Manuel Orantes{{cite web|title=1972 Brussels – Singles draw|url=https://www.atptour.com/en/scores/archive/brussels/406/1972/draws?matchtype=singles|publisher=Association of Tennis Professionals (ATP)}}

| champd={{nowrap|{{flagicon|ESP|1945}} Manuel Orantes / {{flagicon|ESP|1945}} Juan Gisbert Sr.{{cite web|title=1972 Brussels – Doubles draw|url=https://www.atptour.com/en/scores/archive/brussels/406/1972/draws?matchType=doubles|publisher=Association of Tennis Professionals (ATP)}}}}

| after_year=1977

| after_name=Belgian International Championships

}}

The 1972 Belgian Open Championships was a men's tennis tournament staged at the Leopold Club in Brussels, Belgium that was part of the Grand Prix circuit and categorized as a Group C event. The tournament was played on outdoor clay courts and was held from 8 May until 4 May 1972. It was the sixth edition of the tournament and Manuel Orantes won the singles title.{{cite book|title=World of Tennis '73 : a BP and Commercial Union yearbook|year=1973|publisher=Queen Anne Press|location=London|isbn=9780671216238|page=120|editor=John Barrett}}