HO
See also: Appendix:Variations of "ho"
English
Proper noun
HO
- (economics) Initialism of Heckler-Ohlin (thereom).
- (UK) Initialism of Home Office.
Noun
HO (uncountable)
- (business) Initialism of head office.
- (religion) Initialism of holy orders.
- Abbreviation of HO scale.