In Greek mythology, Borysthenis^{[pronunciation?]} (Ancient Greek: Βορυσθενίς, romanized: Borysthenís) may refer to two distinct individuals:

• Borysthenes, one of the three Muses that were daughters of Apollo. Her sisters were Apollonis and Cephisso.^[1]
• the Scythian Earth-and-Water goddess Api, who was called Borysthenis because she was the daughter of the god of the Borysthenēs river (now the Dnipro river).^[2][3]

This article includes a list of Greek mythological figures with the same or similar names. If an internal link for a specific Greek mythology article referred you to this page, you may wish to change the link to point directly to the intended Greek mythology article, if one exists.