The Mazda 121 name has been used on a variety of Mazda automobiles for various export markets from 1975 until 2002:

  • 1975–1981 — Piston engined variants of the second generation Mazda Cosmo sports car
  • 1986–1991 — First generation Ford Festiva; subcompact car
  • 1991–1998 — Autozam Revue; subcompact four-door sedan
  • 1996–2002 — First generation Mazda Demio; subcompact car (in countries where the Fiesta-based "121" was not sold)
  • 1996–2002 — Badge engineered version of the fourth-generation Ford Fiesta subcompact car, sold in some European markets

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File:Mazda 121 (CD) at Schaffen-Diest (2017).jpg|Mazda 121 (1975–1981)

File:1988 Mazda 121 (DA) Fun Top 3-door hatchback (2012-01-15).jpg|Mazda 121 (DA) (1986–1991)

File:1994 Mazda 121 (DB Series 2) 1.3 sedan (2009-06-06).jpg|Mazda 121 (DB) (1991–1998)

File:2000 Mazda 121 (DW Series 2) Metro Shades hatchback (2010-07-05).jpg|Mazda 121 (DW) (1996–2002)

File:1996-2002 Mazda 121 Front.jpg|Mazda 121 (1996–2002)

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