Uncial 0320 (in the Gregory-Aland numbering), is a diglot Greek-Latin uncial manuscript of the New Testament on parchment. Palaeographically it has been assigned to the 10th-century. Formerly it was designated by D<sup>abs2</sup>. The manuscript is very lacunose.
It is particularly notable as one of the two such copies which display clear evidence of having had Claromontanus as exemplar.
The codex contains a small texts of the Epistle to the Ephesians 1:3âÂÂ9; 2:11âÂÂ18, on six parchment leaves of size . The text is written in one column per page, 42 lines per page.
The Greek text of the codex is a representative of the Western text-type. Kurt Aland placed it in Category III (Aland's Profile 139<sup>1</sup> 30<sup>1/2</sup> 44<sup>2</sup> 35<sup>S</sup>).
Currently it is dated by the INTF to the 10th-century.
It is currently housed at the Hessisches Staatsarchiv Marburg (Best. 147 Hr. 2 Nr. 2, 6 fol.).