Asmat may mean:

• Asmat people
• Asmat languages
• Asmat Regency, Indonesia
• Asmat Subregion, in northwestern Eritrea

• 400-meter dash
• 400 meter dash
• 400 Meter Dash
• 400-meter hurdles
• 400 Meters Dash
• 400 meters hurdles
• 400-meter sprint
• 400 Metre Dash
• 400 metre hurdles
• 400 metres dash
• 400 Metres Dash
• 400 metre sprint
• 400 metres world record progression
• 400 mH
• 400m Individual Medley
• 400m metre sprint
• 400 m sprint
• 400s
• 400s decade
• 400-series highways (British Columbia)
• 400-series highways (Ontario)
• 400 South Tryon
• 400th Bombardment Group
• 400th Bombardment Group (Very Heavy)
• 400th Bombardment Squadron