XXXVI 2684, is an early copy of the New Testament in Greek.

It is designated by the siglum 𝔓78 in the Gregory-Aland numbering of New Testament manuscripts.

Using the study of comparative writing styles (paleography), it has been assigned to the 3rd or 4th century CE.

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

[2] Due to its early date, Biblical scholar Kurt Aland placed it in Category I of his New Testament classification system..[1] It is currently housed at the Sackler Library (P. Oxy.