5 definitions of HOPA. Meaning of HOPA. What does HOPA stand for? HOPA abbreviation. Define HOPA at bookofraapk.win. Acronym, Definition. HOPA, Housing for Older Persons Act of HOPA, Higher Order Path Adaptation (telecommunications). HOPA, High Output Paraffin. " HOPA " can be heard often in office buildings of brokers, bankers, insurance Please do not use this term unkindly as it's not what it means and makes you.