1980 Tonga 2 Pa'anga - Taufa'ahau Tupou IV: Humpback Whale (Silver Proof)
- Country: Tonga
- King: Taufa'ahau Tupou IV (1965-2006)
- Type: Non-Circulating Coin
- Years: 1980
- Denomination: 2 TOP
- Currency: Tongan Pa'anga (1967-Date)
- Composition: .999 Silver
- Diameter: 44.5mm
- Weight: 35g
- Edge: Reeded
- Mintage: 2,200
- Obverse: Uniformed bust of Taufa'ahau Tupou IV, date below
- Reverse: Humback Whale in breach, denomination below; "Sea Resource Management" at top
- Reference: KM# 63a
*Coin condition is based on our professional opinion. Pictures are representative of the coin that you will receive, actual coin may differ slightly, and serial numbers may vary*