Manfredi Nicoletti (16 June 1930 – 29 October 2017) was an Italian architect. He was born in Rieti, Italy. He was known for his projects Fontvieille, Monaco, the cancelled Helicoidal Skyscraper in New York City, the Catania–Fontanarossa Airport, Millennium Park in Abuja, Courthouse of Arezzo, the Kazakhstan Central Concert Hall and the Millennium Tower.