The 1999 Rallye de Portugal was a motor racing event for rally cars that was held over four days between 21 and 24 March 1999.

[2] The 1999 event was based in the municipality of Matosinhos in Portugal and was contested over twenty one special stages, covering a total competitive distance of 358.85km (222.98 miles).

Colin McRae was the defending rally winner, as was Ford Motor Co Ltd. Having won two of three rallies of the season so far, Tommi Makinen lead the championship with twenty points; seven more than closest rival Didier Auriol.

McRae, along with co-driver Nicky Grist won the rally, their second win in a row, accelerating them to second in the championship.

The event was open to crews competing in the World Rally Championship, as well as privateer entries that were not registered to score points in the manufacturer's championship.