Alicia Keys is being hit w/ a copyright infringement lawsuit over her current hit, "Girl On Fire".

Earl Shuman, the writer of the 1970 Eddie Holman hit, "Hey There Lonely Girl" wants money!

Listen & compare.

First, here's the Alicia Keys track -

Now, "Hey There Lonely Girl" by Eddie Holman.

Scroll to the 2:25 mark to hear the questionable portion -