C. K. Yang may refer to:

• C. K. Yang (sociologist) (Ch'ing-k'un Yang), Chinese-American sociologist
• Yang Chuan-kwang, Taiwanese decathlete

• Eriphus smaragdinus
• Eriphus variegatus
• Eriphus viridis
• Eriphyle (play)
• Eriphyle Ringlet
• Eripnura criodes
• Eriprando, Count of Vico Modrone
• Eriprando Visconti di Modrone
• Eripuram
• ERIPURAM
• Eripus
• Eriq Zavaleta
• Erirhininae
• Eri Sakatomo
• ERISA reimbursement
• ERISA Reimbursement
• Erisbel Arruebarrena
• Erisbel Arruebarruena
• Eris (comics)
• Eris (deity)
• Eris (DP)
• Eris (fictional planet)
• Eris-Free network
• Eris (genus)
• Eris (goddess)