8I or 8-I can refer to:
Transportation edit
- MyAir (former IATA code: 8I), a 2004–2009 Italian low-cost airline
- Itapemirim Transportes Aéreos (2020–2022) (former IATA code: 8I), a former Brazilian airline
- 747-8i, a model of Boeing 747
Computing edit
- PowerXCell 8i, IBM model of Cell microprocessor
- ISO-8859-8-I, an IANA charset name
Other uses edit
- 8i (virtual reality), a New Zealand-based virtual reality company