Ambrosius Kühnel (1771 – 19 August 1813) was a German organist and music publisher with a career centered in Leipzig, Saxony.

Kühnel held the position of organist at the Electoral Court Chapel in Leipzig from 1795 to 1800, succeeding Carl Immanuel Engel.

[2] Kühnel met the German kapellmeister Franz Anton Hoffmeister at the turn of the 18th century, forming a partnership with him shortly after.

Among his publications were the Italian singing lessons of Vincenzo Righini and Girolamo Crescentini, the Parisian piano schools of Muzio Clementi, Johann Baptist Cramer, Ignaz Pleyel, and Müller, theoretical works by J. G. Albrechtsberger, Charles-Simon Catel, and Marpurg, and violin schools by Pierre Rode, Rodolphe Kreutzer, and Pierre Baillot, to name a few.

Kühnel published a German translation of Italian singer Bernardo Mengozzi's Singing theory of the Conservatorium of Music Paris containing the basic rules of singing exercises for the voice Solfeggien from the older and new works and arias in every kind of movement and character (German: Gesanglehre des Conservatoriums der Musik in Paris.