In human genetics, Haplogroup CF, also known as CF(xDE), is a human male Y-DNA haplogroup. Macrohaplogroup CF is defined by the SNP P143. The existence and extinction of CF remain technically hypothetical, because no DNA belonging to paragroup CF* has yet been discovered.
^Van Oven M, Van Geystelen A, Kayser M, Decorte R, Larmuseau HD (2014). "Seeing the wood for the trees: a minimal reference phylogeny for the human Y chromosome". Human Mutation35 (2): 187–91. doi:10.1002/humu.22468. PMID24166809.