IMHO

IMHO may refer to

Internet Communication and Social Media
similar (but same) to IMO
 * In My Humble Opinion
 * In My Honest Opinion
 * Is My Hearing Aid on?
 * In My Holy Opinion
 * In My Hesitating Opinion
 * In My Highest Opinion

General

 * International Medical Health Organisation, an international humanitarian organization, founded in 2004 in the United States, that focuses on developing and improving health care in disadvantaged and needy regions worldwide.