1997 Estoril Open

{{TennisEventInfo|1997|Estoril Open|

| main_name=Portugal Open{{!}}Estoril Open

| date=7–14 April

| edition=8th

| category=World Series

| draw=32S / 16D

| prize_money=$600,000

| surface=Clay / outdoor

| location=Oeiras, Portugal

| champs={{flagicon|ESP}} Àlex Corretja{{cite web |title=1997 Estoril – Singles draw |url=https://www.atptour.com/en/scores/archive/estoril/468/1997/draws?matchtype=singles |publisher=Association of Tennis Professionals (ATP)}}

| champd={{flagicon|BRA}} Gustavo Kuerten / {{flagicon|BRA}} Fernando Meligeni{{cite web |title=1997 Estoril – Doubles draw |url=https://www.atptour.com/en/scores/archive/estoril/468/1997/draws?matchtype=doubles|publisher=Association of Tennis Professionals (ATP)}}

}}

The 1997 Estoril Open was a tennis tournament played on outdoor clay courts. This event was the 8th edition of the Estoril Open, included in the 1997 ATP Tour World Series. The event took place at the Estoril Court Central, in Oeiras, Portugal, from April 7 through April 14, 1997.