In Isaiah 43:1, God says 'you are mine' — the divine counterpart to the human declaration 'I am the LORD's' in this verse.

In Isaiah 56:6, foreigners join themselves to the LORD — similar to people here claiming Jacob's name and belonging to God.

In Isaiah 48:1, people swear by God's name but not in truth — contrasting the sincere identification here with hypocrisy.

In Isaiah 19:21, Egyptians make vows to the LORD — parallel to people here identifying with God and Israel, showing outsiders joining.

1 Peter 2:9 calls believers 'a people for his own possession' — the same identity as those who in Isaiah write 'the LORD's' on their hand.

Deuteronomy 26:17-19 records the covenant mutual declaration of belonging, exactly paralleling the public identification with God here.

Galatians 6:16 speaks of 'the Israel of God' — a new identity for believers that parallels taking the name Israel in Isaiah 44:5.

Zechariah 13:9 has the remnant call on God and He declares them His people — the same mutual belonging as 'I am the LORD's' here.

Zechariah 8:20-23 shows people from all nations clinging to Jews, saying 'Let us go with you,' mirroring the identification with Israel here.

Jeremiah 50:5 describes binding to the LORD in an everlasting covenant, echoing the commitment to be called by His name here.

Nehemiah 10:1-29 lists those who sealed the covenant — a formal enrollment of people publicly identifying themselves as God's own, similar to taking the Lord's name.

Nehemiah 9:38 shows the people making a written covenant — a concrete act of binding themselves to God, echoing the hand-writing of Isaiah 44:5.

In Hosea 2:23, God says 'You are my people' and they say 'You are my God' — the same mutual declaration of belonging as here.

2 Chronicles 23:16 describes a covenant to be the LORD's people — a communal commitment that parallels the individual hand‑writing and name‑taking in Isaiah 44:5.

Joshua 24:21 has the people declaring 'we will serve the LORD' — a verbal pledge of allegiance parallel to saying 'I belong to the LORD' in Isaiah 44:5.

Psalm 87:5 speaks of people being registered as born in Zion — a roll call of citizenship that parallels writing the Lord's name as a mark of belonging.

In Zephaniah 1:5, people swear by both the LORD and false gods — contrasting the exclusive devotion to God in this verse.

In Psalm 119:94, the psalmist declares 'I am yours' — the same personal claim of belonging to God seen here.

Psalm 16:2 declares 'You are my Lord' — a personal confession of belonging that mirrors the statement 'I belong to the LORD' in Isaiah 44:5.

In Acts 27:23, Paul says 'the God to whom I belong' — the same personal claim of belonging to God as in this verse.

2 Corinthians 8:5 describes believers giving themselves first to the Lord — a voluntary self‑dedication that mirrors the personal declaration 'I belong to the LORD'.