1993 Estoril Open

{{TennisEventInfo|1993|Estoril Open|

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

| date=29 March – 5 April

| edition=4th

| category=World Series

| prize_money=$500,000

| draw=32S / 16D

| surface=Clay / outdoor

| location=Oeiras, Portugal

| champs={{flagicon|UKR}} Andriy Medvedev{{cite web |title=1993 Estoril – Singles draw |url=https://www.atptour.com/en/scores/archive/estoril/468/1993/draws?matchtype=singles |publisher=Association of Tennis Professionals (ATP)}}

| champd={{flagicon|South Africa|1928}} David Adams / {{flagicon|RUS|1991}} Andrei Olhovskiy{{cite web |title=1993 Estoril – Doubles draw |url=https://www.atptour.com/en/scores/archive/estoril/468/1993/draws?matchtype=doubles|publisher=Association of Tennis Professionals (ATP)}}

}}

The 1993 Estoril Open was a tennis tournament played on outdoor clay courts. This event was the 4th edition of the Estoril Open, included in the 1993 ATP Tour World Series. The event took place at the Estoril Court Central, in Oeiras, Portugal, from 29 March through 5 April 1993. Fifth-seeded Andriy Medvedev won the singles title.{{cite book|title=International Tennis Federation World of Tennis 1994|year=1994|publisher=CollinsWillow|location=London|isbn=9780002184564|editor=John Barrett|page=132}}