Leviticus 20:7 calls for sanctification and holiness, the same theme of being set apart as God's people.

Leviticus 20:24 states God 'separated you from the peoples' — the act that Leviticus 20:26 then directly links to the command to be holy.

Leviticus 19:2 gives the foundational command 'You shall be holy, for I am holy' which Leviticus 20:26 reiterates with the added dimension of separation.

Leviticus 11:44 gives the same command to be holy because God is holy, directly reinforcing the basis for separation.

Leviticus 10:10 instructs priests to distinguish holy from common, a practical application of the separation principle stated in Leviticus 20:26.

Deuteronomy 26:19 directly calls Israel a holy people set high above nations, paralleling the separation and holiness command.

1 Peter 1:16 directly quotes 'You shall be holy, for I am holy' — the very command that Leviticus 20:26 restates, now applied to Christians.

1 Peter 1:15 applies the same holiness imperative: 'as he who called you is holy, you also be holy' — a New Testament echo of Leviticus 20:26's command.

Titus 2:14 describes Christ purifying a people for His own possession, fulfilling the OT concept of a separated, holy people.

Isaiah 30:11 records rebels saying 'let us hear no more about the Holy One of Israel' — a direct contrast to Leviticus 20:26's call to be holy because God is holy.

Deuteronomy 26:18 declares Israel God's treasured possession who must keep His commandments, closely aligning with being set apart for Him.

Deuteronomy 14:2 repeats almost verbatim the identity of Israel as a holy people chosen for God's treasured possession, mirroring the separation.

Deuteronomy 7:6 echoes the same call: Israel is a holy people chosen by God as His treasured possession, reinforcing the separation theme.

Exodus 19:6 calls Israel a holy nation and kingdom of priests, directly parallel to being separated and holy for God.

In Malachi 2:11, intermarriage with pagan worshipers is condemned as desecrating God's sanctuary, violating the call to be set apart from nations here.

In Matthew 5:48, Jesus commands perfection like the Father, echoing the call here to be holy because God is holy.

Isaiah 6:3 has seraphim crying 'Holy, holy, holy' — a heavenly witness to the same holiness that sets God apart and calls Israel to holiness in Leviticus 20:26.

In 1 Thessalonians 5:23, Paul prays for complete sanctification, aligning with the call here to be holy and set apart for God.

Psalm 99:9 again declares 'the LORD our God is holy,' reinforcing the holiness of God that Leviticus 20:26 commands Israel to reflect.

Numbers 6:2 introduces the Nazirite vow of special separation to God, a specific instance of the broader separation called for in Leviticus 20:26.

Revelation 3:7 calls Christ 'the holy one' — identifying Jesus with the same holy God who separates Israel in Leviticus 20:26.

Revelation 4:8 repeats the thrice-holy exclamation, exalting the God whose holiness in Leviticus 20:26 calls Israel to be set apart.

In Deuteronomy 18:10, the prohibition of pagan practices elaborates the separation from nations commanded here.