1983 Lisbon Open

{{TennisEventInfo|1983|Lisbon Open|

| date=4–10 April

| edition=Only

| category=Grand Prix (Super Series)

| draw=32S / 16D

| prize_money=$250,000

| surface=Clay / outdoor

| location=Lisbon, Portugal

| champs={{flagicon|SWE}} Mats Wilander{{cite web|title=1983 Lisbon – Singles draw|url=https://www.atptour.com/en/scores/archive/lisbon/723/1983/draws?matchtype=singles|publisher=Association of Tennis Professionals (ATP)}}

| champd={{flagicon|BRA|1968}} Carlos Kirmayr / {{flagicon|BRA|1968}} Cássio Motta{{cite web|title=1983 Lisbon – Doubles draw|url=https://www.atptour.com/en/scores/archive/lisbon/723/1983/draws?matchtype=doubles|publisher=Association of Tennis Professionals (ATP)}}

| before_year=no

| after_year=no

}}

The 1983 Lisbon Open, also known by its sponsorship name Lights Cup, was a men's tennis tournament held in Lisbon, Portugal and played on outdoor clay courts. It was the only edition of the tournament and was held from 4 April to 10 April 1983. It was part of the Grand Prix tennis circuit as a Super Series category event. Second-seeded Mats Wilander won the singles title.{{cite book|title=World of Tennis 1984 : The Official Yearbook of the International Tennis Federation|year=1984|publisher=Willow Books|location=London|isbn=0002181223|pages=74, 133|editor=John Barrett}}