Haggai
Then spake Haggai the Lord's messenger (מַלְאַךְ יְהוָה) in the
Lord's message unto the people saying, I am with you, saith the Lord. (Hag
1:13)
Levitical
Priest
For the priest's lips should keep knowledge,
and they should seek the law at his mouth: for he is the messenger of the Lord
of hosts (כִּי מַלְאַךְ יְהוָה־צְבָאוֹת הוּא). (Mal 2:7)