JOI

acronym: Joint Oceanographic Institutions (Inc.)
Found on http://cdiac.ornl.gov/pns/acronyms.html#J

Joi

Joi is an English name for girls. The meaning is `joy, happiness` The name Joi is most commonly given to American girls. What do they use in other countries? Joy (English) Joyce (English) The name sounds like: Jo, Joia Similar names are: Joni, Jobi, Joci, Jodi, Joli, Jori See also: Joye
Found on https://www.pregnology.com/names/girls/Joi

JOI

Joint Oceanographic Institutions, Inc.
Found on http://www.iodp.org/acronyms/

JOI

Journal of Oral Implantology
Found on http://www.encyclo.co.uk/local/20895
No exact match found