Joana Mascarenhas de Lemos (born 24 April 1972 [1][2]) is a Portuguese former rally raid racer.

After taking part in the first off-road rides in 1990, Lemos began her racing career, first on motorcycles and then in automobiles.

Among her best results was placing in the 1999 Rally de Portugal, in a golden edition of the men's event, which had on the podium Colin McRae and Nicky Grist (1st), Carlos Sainz and Luis Moya (2nd) and Didier Auriol and Denis Giraudet (3rd).

Lemos has two sons,[2] Tomás and Martim, from her first marriage to Portuguese banker Manuel da Costa Lobo Reymão Nogueira.

On October 7, 2021, she was married a second time to Lapo Elkann, an Italian businessman heir and member of the prominent Agnelli family.