mepronoun
American /mi/ British /miː/
used as the object of a verb or preposition to refer to the speaker or writer
Me is the object form; the subject form is I. In informal speech and writing, me is also common right after be: It's me; the more formal alternative, it is I, sounds stiff today.
Word family
Usage
Me is not used as the subject of a sentence on its own; the subject form is I. When me is joined with another person as an object, either order is heard, but putting the speaker last is the more polite and widely taught order: between you and me, not between I and you.