Lectionary 1686, designated by symbol ℓ 1686 in the Gregory-Aland numbering, is a Greek manuscript of the New Testament, written on paper leaves, it dates paleographically to the 16th century.

The codex contains some Lessons from the Acts of the Apostles and Catholic epistles (Apostolos) with some lacunae.

The initial letters in red and decorated; the nomina sacra are written in an abbreviated way.

In Ephesian 6:14 phrase και ενδυσαμενοι τον θωρακα της δικαιοσυνης is omitted, but it was added at the margin.

The codex now is located in the Bible Museum Münster (MS.