First class (or 1st class, Firstclass) generally implies a high level of service, importance or quality. Specific uses of the term include:
Books and comics First Class, a comic strip in The Dandy (1983–1998) X-Men: First Class (comics)
Film and TV X-Men: First Class, a 2011 film First Class (game show), a British game show First Class (TV series), a Singaporean comedy
Music
Artists The First Class, a British pop band formed in 1974
Albums 1st Class (album), by Large Professor, 2002 First Class, by Billy Paul, 1979 First Class, by Mickey Gilley, 1977 First Class, by Claude Bolling, 1991 First Class, by Debby Boone, 1978
Songs "First Class" (song), by Jack Harlow, 2022 "First Class", by Blueface from Find the Beat, 2020 "First Class", by Henry Rollins from Big Ugly Mouth, 1987 "First Class", by Khruangbin from Mordechai, 2020 "First Class", by Kottonmouth Kings from High Society, 2000 "First Class", by Lil Baby from Harder Than Ever, 2018 "First Class", by Wiley from The Ascent, 2013 "First Class", from the Hindi film Kalank, 2019 "First Class (The Best Catalogue)", by Madlib from Beat Konducta Vol 5-6, 2009
Computing First-class type, a concept in programming First class (computing), a concept in data modeling First-class function First-class object, a concept in programming FirstClass, e-mail and online conferencing system First Class Peripherals, a defunct American computer hardware manufacturer
Leisure First Class rank, in Baden-Powell's Scout training scheme First Class Scout (Boy Scouts of America), rank in Boy Scouts
Sports First-class cricket First Class Diver – the highest grade of diver in the original (and now obsolete) classification system of the British Sub Aqua Club
Travel First class (aviation) First class travel FirstClass (airline), was a Finnish airline First-class carriage in a railway train
Other uses First-class constraint First Class mail First class honours degree, see British undergraduate degree classification First class city, an income classification for cities in the Philippines