Julina Lambson Smith (June 18, 1849 – January 10, 1936) was a leader in the Church of Jesus Christ of Latter-day Saints (LDS Church). From 1910 to 1921 she was a member of the General Presidency of the Relief Society. The second wife of Joseph F. Smith and the mother of Joseph Fielding Smith, she is the only woman in the history of the LDS Church to have been the wife of a President of the Church and the mother of another church president. She worked as a midwife in the Mormon community and delivered over 1,000 babies.