NZS may refer to:

• Football Association of Slovenia
• Independent Students Union (Poland)
• New Zealand Standard and "joint Australian/New Zealand Standard" (AS/NZS) by Standards Australia and Standards New Zealand
• New Zealand Steel
• New Zealand Football, formerly New Zealand Soccer

• Smooth preparation theorem
• Smooth purple coneflower
• Smooth pursuit
• Smooth Radio 105.2
• Smooth Radio 105.7
• Smooth Radio 106.6
• Smooth Radio Network
• Smooth Ragwort
• Smooth (rapper)
• Smooth rider
• Smooth Rider
• Smooth Rock Falls
• Smooth rocksnail
• Smooth rupturewort
• Smooth Sailin'
• Smooth-scaled mountain lizard
• Smooth Scotland
• Smooth scrolling
• Smooth shading
• Smooth-sided toad
• Smooth (singer)
• Smooth Skate
• Smooth skate
• Smooth-skinned forest frog
• Smooth slater