Lectionary 123
| New Testament manuscript | |
| Text | Evangelistarion |
|---|---|
| Date | 10th century |
| Script | Greek |
| Now at | Vatican Library |
| Size | 28.4 cm by 22.4 cm |
Lectionary 123, designated by siglum ℓ 123 (in the Gregory-Aland numbering) is a Greek manuscript of the New Testament, on parchment leaves. Palaeographically it has been assigned to the 10th century.