Snapshot

The Lamb of God is John the Baptist’s name for Jesus: “Behold, the Lamb of God, who takes away the sin of the world!” (John 1:29). It gathers the whole Old Testament sacrificial system — the Passover lamb, the daily offerings, the suffering servant “like a lamb that is led to the slaughter” — and declares that Jesus is the true and final sacrifice for sin. He is at once the most tender and the most costly of titles: the gentle Lamb who is slain, whose blood takes away sin, and who is now worshiped on the throne of heaven. “Worthy is the Lamb who was slain” (Rev. 5:12).

The Original Language

ὁ ἀμνὸς τοῦ θεοῦ (ho amnos tou theou), “the Lamb of God” (John 1:29, 36). In Revelation a different but synonymous word is used, ἀρνίον (arnion), “lamb” (a diminutive, used 28 times of Christ). Behind these stands the rich Hebrew sacrificial vocabulary — the seh (lamb/kid) of the Passover (Ex. 12:3), the keves (lamb) of the daily offerings (Ex. 29:38–39), and the lamb of Isaiah 53:7. The phrase “of God” signals that this Lamb is God’s own provision — the sacrifice God himself supplies (recall Yahweh Yireh, “God will provide… the lamb,” Gen. 22:8). The title compresses the entire theology of substitutionary atonement into a single image: an innocent victim slain in the place of the guilty, whose blood covers sin.

The Name in Its Context

As Jesus begins his ministry, John the Baptist points him out:

“The next day he saw Jesus coming toward him, and said, ‘Behold, the Lamb of God, who takes away the sin of the world!’” (John 1:29; cf. 1:36)

The declaration is breathtaking in scope: not a lamb for one household (as at Passover), nor for one nation (as in the temple), but “the Lamb of God, who takes away the sin of the world.” The Gospel of John then unfolds with deliberate Passover symbolism, climaxing at the cross: Jesus is condemned at “about the sixth hour” as the Passover lambs were being prepared (John 19:14), not a bone of his is broken (John 19:36; cf. Ex. 12:46, the Passover requirement), and he dies as the true Passover Lamb. Paul makes it explicit: “Christ, our Passover lamb, has been sacrificed” (1 Cor. 5:7).

Where It Appears in Scripture

The lamb runs through the whole Bible. Abel brings a lamb (Gen. 4:4); Abraham says “God will provide… the lamb” (Gen. 22:8); the Passover lamb’s blood marks Israel’s doors so death passes over (Ex. 12); the daily offerings present a lamb morning and evening (Ex. 29:38–42); Isaiah’s servant is “like a lamb that is led to the slaughter… he bore the sin of many” (Isa. 53:7, 12). The New Testament gathers these into Christ: “a lamb without blemish or spot… the precious blood of Christ” (1 Pet. 1:18–19); “Christ, our Passover lamb, has been sacrificed” (1 Cor. 5:7); the Ethiopian reads Isaiah 53 and Philip tells him “the good news about Jesus” (Acts 8:32–35). Revelation makes “the Lamb” the central title of the exalted Christ: the “Lamb standing, as though it had been slain” (Rev. 5:6), worshiped by all heaven, who conquers (Rev. 17:14), whose marriage supper is the church’s hope (Rev. 19:7–9), and whose book of life holds the names of the redeemed (Rev. 21:27).

What This Name Reveals

“The Lamb of God” reveals the necessity and nature of atonement: sin must be dealt with by sacrifice, by the shedding of blood (Heb. 9:22), and Jesus is the spotless substitute who bears it. It reveals substitution — the Lamb dies in the place of the guilty, “the righteous for the unrighteous” (1 Pet. 3:18). It reveals God’s own provision: the Lamb is “of God,” supplied by God himself at his own infinite cost (John 3:16; Rom. 8:32). It reveals the scope of his work — “the sin of the world” — sufficient for all, effective for all who believe. It reveals Christ’s innocence and willingness: a lamb is gentle, unresisting; “he opened not his mouth” (Isa. 53:7), laying down his life freely (John 10:18). And, in Revelation, it reveals the paradox of his power through sacrifice: the slain Lamb is the conquering King, for he overcomes evil precisely by his blood (Rev. 5:5–6; 12:11). The Lamb is both the tenderest picture of sacrificial love and the mightiest picture of triumphant glory.

Seen and Fulfilled in Christ

This title is a name of Christ, and it is the convergence point of the entire Old Testament sacrificial system. Every lamb ever offered — Abel’s, Abraham’s ram, the Passover lambs, the morning and evening sacrifices, the Day of Atonement — was a shadow pointing forward, “for it is impossible for the blood of bulls and goats to take away sins” (Heb. 10:4). They were promissory notes; Christ is the payment. He is the true Passover Lamb whose blood shields his people from judgment (1 Cor. 5:7; Ex. 12), the suffering servant of Isaiah 53 who “was pierced for our transgressions” and “bore the sin of many” (Isa. 53:5, 12), and “a lamb without blemish or spot” (1 Pet. 1:19) — sinless and acceptable. His sacrifice is offered “once for all” (Heb. 10:10), ending the need for any further offering. And the story does not end at the cross: the slain Lamb rises and ascends to the throne, where the worship of heaven centers on him: “Worthy is the Lamb who was slain, to receive power and wealth and wisdom and might and honor and glory and blessing!” (Rev. 5:12). The redeemed are those “washed… white in the blood of the Lamb” (Rev. 7:14). All of redemptive history flows toward the Lamb on the throne.

A Reformed Reflection

“The Lamb of God” is the heart of the Reformed doctrine of the atonement — penal substitution. The Westminster Confession teaches that Christ, “by his perfect obedience and sacrifice of himself, which he through the eternal Spirit once offered up unto God, hath fully satisfied the justice of his Father; and purchased… reconciliation” for his people (WCF 8.5). The Lamb’s death is substitutionary (he stands in our place), penal (he bears the curse and judgment our sin deserved, Gal. 3:13; Isa. 53:5), and propitiatory (it turns away God’s righteous wrath, Rom. 3:25; 1 John 2:2). Reformed theology also emphasizes its sufficiency and efficacy: offered “once for all” (Heb. 10:10), it perfectly accomplishes the salvation of all for whom it was offered. This grounds the believer’s assurance — the price is paid in full, never to be repeated; “there is therefore now no condemnation” (Rom. 8:1). It shapes worship around the cross and the Lord’s Supper, where we proclaim the Lamb’s death (1 Cor. 11:26). And it fuels eternal praise: the song of heaven is the song of the Lamb (Rev. 5; 15:3). The whole life of faith is lived looking to, and resting in, the Lamb who was slain.

Application

• Look to the Lamb for your sin. As John pointed, “Behold, the Lamb of God, who takes away the sin of the world” — let your eyes rest there. Your sin is borne; receive the forgiveness his blood secures.
• Rest in a finished sacrifice. The Lamb was slain “once for all.” You need add nothing, repeat nothing, achieve nothing. The price is paid in full. Let your conscience rest in his blood.
• Worship the Lamb on the throne. The crucified is now exalted. Join heaven’s song now: “Worthy is the Lamb who was slain” (Rev. 5:12). Let gratitude and adoration mark your life.

Reflection questions:

1. Am I truly resting in the once-for-all sacrifice of the Lamb, or still trying to atone for myself?
2. When I am burdened by guilt, do I look to the Lamb who takes away sin?
3. Does the worship of the Lamb shape my own worship and gratitude?

For Prayer and Worship

Behold, the Lamb of God who takes away the sin of the world — who takes away my sin. Lord Jesus, spotless Lamb, you were led to the slaughter and opened not your mouth, bearing in your body the judgment I deserved. Your blood has washed me clean. I add nothing to your finished work; I only rest in it and adore you. Worthy are you, O Lamb who was slain, to receive power and honor and glory and blessing forever. Amen.

Key Scripture References

• John 1:29, 36; Gen. 22:8; Ex. 12:1–13; Isa. 53:4–12
• 1 Cor. 5:7; 1 Pet. 1:18–19; Heb. 9:11–14; Heb. 10:1–14
• Rev. 5:6–14; Rev. 7:14; Rev. 21:27

Related Names

• Yahweh Yireh — “God will provide the lamb.”
• The Great High Priest — who offers the sacrifice; the Redeemer.
• King of Kings and Lord of Lords; the Lion of the Tribe of Judah — the Lion who is the Lamb.

Further Study

• Exodus 12; Isaiah 53; Hebrews 9–10; Revelation 5.
• 1 Corinthians 5:7; 1 Peter 1:17–21.
• WCF ch. 8 (Christ the Mediator); Heidelberg Catechism Q. 37–44.