The Estoril Open was a golf tournament on the European Tour in 1999.

[1] It was held at Penha Longa in Estoril, Portugal from 15 to 18 April.

It was won by Jean-François Remésy who shot a 2-under-par total of 286, to finish as the only player under par.

[2] The renewal of the Estoril Open in 2000 was cancelled due to sponsorship problems.

The event was also included on the European Tour schedule in 2001, but was cancelled again.