刘贤斌（1968年10月2日—），别名刘陈、笔名万贤明，四川遂宁人，独立作家、人权活动家，零八宪章首批签署人，也是中国民主党西南筹委会主要组织者。1987年入读北京人大学后积极参与1989年学运，1991年4月被捕，1992年被判“反革命宣传煽动罪”2年6个月，1993年出狱。1998年他组织中国民主党西南筹委会，1999年被判“颠覆国家政权罪”13年，2008年11月出狱出狱后签署《零八宪章》，公开撰文揭露“豆腐渣工程”、声援谭作人、黄琦，并发起“黄丝带行动”营救陈云飞。2010年因发表言论再次被捕，2011年被四川遂宁中院判“煽动颠覆国家政权罪”10年，直至2020年6月27日刑满释放。三次入狱、累积服刑逾22年，他以笔为剑，执着抵抗暴政，是中国民主与人权运动的顽强象征。
Liu Xianbin (born October 2, 1968, Suining, Sichuan), also known by the aliases Liu Chen and Wan Xianming, is an independent writer, human rights activist, and a key organizer of the China Democracy Party’s Southwest Preparatory Committee. He was also among the first signatories of Charter 08.
Liu joined the 1989 student movement while studying at Renmin University. He was arrested in 1991 and sentenced to 2.5 years for “counterrevolutionary propaganda.” In 1998, he helped form the CDP Southwest Committee and was sentenced in 1999 to 13 years for “subversion.” Released in 2008, he continued to write on sensitive issues, support fellow activists like Tan Zuoren and Huang Qi, and launched the “Yellow Ribbon Campaign” to aid Chen Yunfei.
In 2010, Liu was arrested again for his writings and in 2011 sentenced to 10 years for “inciting subversion.” He was released on June 27, 2020.
Having served over 22 years in prison across three terms, Liu is regarded as a steadfast figure in China’s democracy and human rights movement—resisting authoritarianism with unwavering resolve and the power of the pen
