Uncial 0188 (in the Gregory-Aland numbering), is a Greek uncial manuscript of the New Testament, dated paleographically to the 4th century.
[1] The codex contains a small parts of the Gospel of Mark 11:11-17, on one parchment leaf (13 cm by 11 cm).
[1] The Greek text of this codex is a representative of the Caesarean text-type,[2] but with many singular readings.
Aland placed it in Category III.
[1] Currently it is dated by the INTF to the 4th century.