Nelle Eby
Birth: 17 May 1881
Missouri, USA
Death: 13 January 1993
Missouri, USA
Age: 111 years, 241 days
Country: USA FlagUSA

Eleanor "Nelle" Eby (neé Hardman) (17 May 1881 – 13 January 1993) was a American supercentenarian. Her sister, Katharine Davenport, was also a supercentenarian, making them the first documented sisters supercentenarian pair in history. Nelle was listed in the 1992 and 1993 Guinness World Records with her sister Katharine Davenport as the "Oldest Living Siblings" in the United States and world (citation needed).[1]