| Manufacturer | Bajaj Auto |
|---|---|
| Production | 2016–present |
| Assembly | Chakan, Pune, Maharashtra, India |
| Predecessor | Bajaj Pulsar CS400 (concept) |
| Class | naked cruiser (naked looks with cruiser design) |
| Engine | 373.3 cc (2016-2025) single-cylinder, liquid-cooled, four-valve DOHC, fuel-injected (Bajaj Triple-spark technology) 350cc (2026-present) |
| Top speed | 155 km/h 165 km/h(claimed) |
| Power | 29.4 kW (40 PS) @ 8,800 rpm |
| Torque | 35 N⋅m @ 6,500 rpm |
| Transmission | 6-speed, assist and slipper clutch |
| Frame type | Beam-type perimeter frame |
| Suspension | 43 mm upside-down fork (front); multi-step adjustable monoshock (rear) |
| Brakes | 320 mm front disc, 230 mm rear disc; dual-channel ABS |
| Tires | 110/70-17 front, 150/60-17 rear |
| Wheelbase | 1,453 mm |
| Dimensions | L: 2,156 mm W: 836 mm |
| Weight | 187 kg (BS6) (wet) |
| Fuel capacity | 13 L |
| Related | KTM 390 Duke |
The Bajaj Dominar 400 is a flagship naked cruiser motorcycle manufactured by the Indian company Bajaj Auto.

The motorcycle was first shown as the Bajaj Pulsar CS400 concept at the 2014 Auto Expo. Bajaj choose to launch the bike with different brand name "Dominar", which was derived from a Spanish word meaning "to excel" or "to exceed in power". Dominar was launched in December 2016 as a naked sports bike, at that time it was Bajaj's largest-displacement premium segment motorcycle. The engine was a 373.3 cc, fuel-injected, liquid-cooled, four-valve single-cylinder unit using Bajaj's triple-spark technology. Bajaj Dominar 400 is widely regarded by riders as highly stable when cruising at high speeds of 120–150 kmph.
It became one of the best selling bikes in Latin American countries such as Brazil due to cruising and touring accessories with the bike at affordable prices.
Bajaj has downgraded the engine from 373cc engine to a 350cc engine from 2026 onwards.