ACF is a TLA that may refer to:

• Academic Competition Federation [1]
• ACF Components & Fasteners, Inc. [2]
• ACF Environmental [3]
• ACF Equity Atlantic [4]
• ACF Polymers [5]
• Action contre la Faim [6]
• Administration for Children and Families [7] - an operating unit of United States Department of Health and Human Services
• Advanced communication function
• African Conservation Foundation [8]
• Agricultural Christian Fellowship [9]
• Akademie für christliche Führungskräfte [10]
• Alberta Cancer Foundation [11]
• Alberta Curling Federation [12]
• American Car and Foundry [13] - manufacturer of railroad rolling stock since 1899, now known as ACF Industries
• American Checker Federation [14]
• American Cheerleading Federation [15]
• American Chestnut Foundation [16]
• American Cinema Foundation [17]
• American Coal Foundation [18]
• American Composers Forum
• American Culinary Federation [19]
• AmeriCredit Corporation - stock ticker symbol ACF
• Annual Clinical Focus [20] - an educational initiative of the American Academy of Family Physicians
• Arizona Community Foundation [21]
• Army Cadet Force
• Asian Christian Fellowship [22]
• Assemblée Communautaire Fransaskoise [23]
• Association of Charitable Foundations [24]
• Association of Consulting Foresters of America [25]
• Audio Ciné Films [26]
• Audiovisual Creative Fair [27]
• Austin Christian Fellowship [28]
• Australian Cat Federation [29]
• Australian Chess Federation [30]
• Australian Conservation Foundation [31]
• Austrian Cultural Forum [32]
• Automated Collaborative Filtering [33]
• Automatiserings Collectief Flevoland [34]
• Autonomic Communication Forum [35]