Wikipedia
                    HCCS
                    
                        
                
                                                        HCCS can refer to:
- Houston Community College System
- Holmes Chapel Comprehensive School
- Heritage Community Christian School (Brockville, Ontario)
- HCCS (gene) and Cytochrome c-type heme lyase enzyme.
                    HCCS (gene)
                    
                        
                
                                                                    Cytochrome c-type heme lyase is an enzyme that in humans is encoded by the HCCS gene on chromosome X.