HAC

The abbreviation HAC means:

• Le Havre Athletic Club
• Hamburg- Altona Central Railway
• Hanseatic investors club
• Hearing Aid Compatibility of phones in ANSI C63.19
• Hessischer automobile club, ADAC local club based in Darmstadt founded in 1909
• Autoceste Hrvatske, Croatia's largest motorway operator
• Homonnai Atlétikai Club, a Slovak football club
• Heading Alignment Circle, imaginary circle as part of an approach to land the Space Shuttle to the alignment of the runway
• High-availability cluster high availability cluster
• Hughes Aircraft Company
• Helsinki Athletics Cheerleaders
• Hill - start Assist Control, see Hill Start Assist
• Hunsrück Car Club simmering in the ADAC eV, founded in 1962
• Honourable Artillery Company, British tradition Regiment

The abbreviation hac means:

• Acres, common abbreviation in the English language

The abbreviation HAc means:

• HAc (hydrogen acetate) - acetic acid (chemistry)

Hac denotes the second youngest period of the Hallstatt period

• Disambiguation
• Abbreviation