This is a list of airlines with First Class for international flights only, omitting the products branded as domestic First Class common in the US.
Asia
- Air China – Forbidden Pavilion First Class (aboard all Boeing 747 (-400 & -8I) and some Boeing 777-300ER aircraft)
- Air India – Maharaja First Class (aboard all Boeing 777 (-200LR & -300ER) aircraft)
- All Nippon Airways – First Class (aboard all Airbus A380-800 & Boeing 777-300ER aircraft)
- Cathay Pacific – First Class (aboard some Boeing 777-300ER aircraft)
- China Eastern Airlines – First Class (aboard all Boeing 777-300ER aircraft)
- Garuda Indonesia – First Class (aboard some Boeing 777-300ER aircraft)
- Japan Airlines – JAL First Class (aboard all Boeing 777-300ER aircraft)
- Korean Air – Kosmo Suite (aboard all Airbus A380-800 and some Boeing 777-300ER aircraft); Kosmo Suite 2.0 (aboard all Boeing 747-8I and some Boeing 777-300ER aircraft); Kosmo Sleeper (aboard all Boeing 777-200ER aircraft)
- Singapore Airlines – Suites Class (aboard all Airbus A380-800 aircraft); First Class (aboard all Boeing 777-300ER aircraft)
- Starlux Airlines – First Class (aboard all Airbus A350-900 aircraft)
- Thai Airways International – Royal First Class (aboard some Boeing 777-300ER aircraft)
- XiamenAir – First Class (aboard all Boeing 787-8 aircraft)
Europe
- Air France – La Première (aboard some Boeing 777-300ER aircraft)
- British Airways – First Class (aboard all Airbus A380-800, Boeing 777-300ER & Boeing 787 (-9 & -10) and some Boeing 777-200ER aircraft)
- Lufthansa – First Class (aboard all Airbus A340-600, Airbus A380-800 & Boeing 747-8I aircraft)
- Swiss International Air Lines – SWISS First (aboard all Airbus A330-300, Airbus A340-300 & Boeing 777-300ER aircraft)
Middle East
- El Al – First Class (aboard all Boeing 777-200ER aircraft); planned to be phased-out
- Emirates – First Class (enclosed floor-to-ceiling suite) (aboard some Boeing 777-300ER); First Class (private suite) (aboard some Airbus A380-800 & Boeing 777-300ER aircraft)
- Etihad Airways – First Apartment & The Residence (aboard all Airbus A380-800 aircraft); First Suite (aboard some Boeing 787-9 aircraft); Diamond First Class (aboard some Boeing 777-300ER aircraft)
- Kuwait Airways – First Class (aboard all Airbus A330-200 aircraft); Royal Class (aboard all Boeing 777-300ER aircraft)
- Oman Air – First Class (aboard some Airbus A330-300 & Boeing 787-9 aircraft)
- Qatar Airways – First Class (aboard all Airbus A380-800 and some Boeing 777-300ER aircraft)
- Saudia – First Class (aboard some Boeing 777-300ER aircraft)
Americas
- American Airlines – Flagship First (aboard all Boeing 777-300ER aircraft); to be phased-out
Oceania
- Qantas – First (aboard all Airbus A380-800 aircraft)
Africa
- TAAG Angola Airlines - First Class (aboard all Boeing 777 (-200ER & -300ER) aircraft)
Source: https://en.wikipedia.org/wiki/First_class_(aviation)#Current_operators