Papyrus 123 (in the Gregory-Aland numbering), designated by 𝔓123, is an early copy of the New Testament in Greek.

[1] To the present day survived only pieces from one leaf.

The surviving texts of 1 Corinthians are verses 14:31-34; 15:3-6, they are in a fragmentary condition.

[1] Recto Verso The Greek text of this codex probably is a representative of the Alexandrian text-type.

The manuscript currently is housed at the Papyrology Rooms of the Sackler Library at Oxford with the shelf number P. Oxy.