Lectionary 172, designated by siglum ℓ 172 (in the Gregory-Aland numbering) is a Greek manuscript of the New Testament, on parchment leaves.
[2] The codex contains Lessons from the Acts and Epistles lectionary (Apostolarion).
It is written in Greek minuscule letters, on 281 parchment leaves (29.5 cm by 23 cm), in two columns per page, 23 lines per page.
Possibly it was written by the same hand as ℓ 484, but more beautiful.
[4] The manuscript is not cited in the critical editions of the Greek New Testament (UBS3).