Nicola Tacchinardi (3 September 1772 – 14 March 1859), was an Italian cellist and tenor, and later voice teacher. He was born as Niccolò Costantino Fedele Tacchinardi in Livorno by Francesco Tacchinardi, owner and teacher of a fencing school, and by Vittoria Vaccari, daughter of an employee of the Grand Ducal Navy and sister of a ship captain, Gaetano. He began his career as a cellist at the Teatro della Pergola in Florence, and later turned to singing, making his debut as a tenor in Livorno in 1804.