5 in D major, K. 175, was composed by Wolfgang Amadeus Mozart in 1773 at the age of 17.

It is Mozart's first original piano concerto; his previous efforts were based on works by other composers.

In 1782, he revised the score and composed a new rondo, adding a flute to the instrumentation (K. 382).

According to the Köchel catalogue, it bore the heading Concerto per il Clavicembalo del Sgr.

Cavaliere Amadeo Wolfgango Mozart nel Decembre 1773, and comprised 54 folios with 107 sides used.