ISO character set may primarily refer to:
ISO/IEC 646, list of 7-bit character sets since 1967 ISO/IEC 8859, list of 8-bit character sets since 1987 ISO/IEC 10646, a 32-bit character set since 1990
It may also refer to:
ISO basic Latin alphabet ISO/IEC 2022 ISO 2033 ISO 2047 ISO 5426 ISO 5427 ISO 5428 ISO 6438