Leo Richard Smith (August 31, 1905 – October 9, 1963) was an American prelate of the Roman Catholic Church. He served as bishop of the Diocese of Ogdensburg in New York for five months in 1963. He previously served as an auxiliary bishop of the Diocese of Buffalo in New York from 1952 to 1963.

Leo Smith was born on August 31, 1905, in Attica, New York to Adam Henry and Mary Jane (née O'Neil) Smith.^[1] He attended Canisius College in Buffalo, New York, where he obtained a Bachelor of Arts degree in 1926.^[1] He then furthered his studies in Rome, earning a Ph.D. from the Pontifical University of St. Thomas Aquinas (Angelicum) in 1928 and a Doctor of Sacred Theology from the Urban College of Propaganda in 1930.

^[2] He was ordained to the priesthood for the Diocese of Buffalo by Cardinal Basilio Pompili on December 21, 1929.^[3] He received a doctorate in canon and civil law in 1932.^[1]

Following his return to New York, Smith served as a curate at St. Joseph's Cathedral in Buffalo until 1934, when he became assistant chancellor of the diocese .^[2] He also served as diocesan director of the Confraternity of Christian Doctrine (1935-1941) and of youth activities (1941-1946).^[2] Smith was raised to the rank of papal chamberlain in 1942 and a domestic prelate in 1946.^[1] He was named chancellor (1946) and later vicar general (1953) of the diocese.^[1]

On June 30, 1952, Smith was appointed auxiliary bishop of the Diocese of Buffalo and Titular Bishop of Marida by Pope Pius XII.^[3] He received his episcopal consecration on September 24, 1952, from Archbishop Amleto Cicognani, with Bishops Raymond Kearney and James H. Griffiths serving as co-consecrators.^[3] He became episcopal moderator of the National Apostleship of the Sea in 1961.^[2]

Following the transfer of Bishop James Navagh to the Diocese of Paterson, Smith was named eighth bishop of the Diocese of Ogdensburg by Pope John XXIII on May 13, 1963.^[3] Leo Smith died on October 9, 1963, in Rome while attending the Second Vatican Council at age 58.^[2]

v t e Roman Catholic Diocese of Buffalo
Ordinaries	Bishops John Timon Stephen Michael Vincent Ryan James Edward Quigley Charles Henry Colton Dennis Joseph Dougherty William Turner John Aloysius Duffy John Francis O'Hara Joseph Aloysius Burke James Aloysius McNulty Edward Dennis Head Henry Joseph Mansell Edward Urban Kmiec Richard Joseph Malone Michael William Fisher Auxiliary bishops Joseph Aloysius Burke Leo Richard Smith Pius Anthony Benincasa Stanislaus Joseph Brzana Bernard Joseph McLaughlin Donald Walter Trautman Edward M. Grosz
Churches	List List of churches in the Roman Catholic Diocese of Buffalo Cathedral St. Joseph Cathedral, Buffalo Basilicas Our Lady of Victory Basilica, Lackawanna St. Mary of the Angels Basilica, Olean Basilica of The National Shrine of Our Lady of Fatima, Lewiston Chapel Our Lady Help of Christians Chapel, Cheektowaga Parishes All Saints Roman Catholic Church, Buffalo Blessed Sacrament Church, Buffalo Blessed Trinity Roman Catholic Church, Buffalo Church of St. Stanislaus, Bishop and Martyr, Buffalo Corpus Christi Church, Buffalo Holy Angels Church, Buffalo St. Louis Roman Catholic Church, Buffalo Former parishes Holy Trinity Roman Catholic Church Complex, Niagara Falls St. Adalbert's Basilica, Buffalo St. Francis de Sales Roman Catholic Church, Buffalo St. Francis Xavier Roman Catholic Parish, Buffalo St. Gerard's Roman Catholic Church, Buffalo Saint Mary of Sorrows Roman Catholic Church, Buffalo
Education	Colleges and universities Canisius University, Buffalo D'Youville University, Buffalo Hilbert College, Hamburg Niagara University, Niagara County St. Bonaventure University, St. Bonaventure Trocaire College, Buffalo Villa Maria College, Buffalo Convents Sisters of St. Francis of Penance and Christian Charity Villa Maria Motherhouse Complex High schools Archbishop Walsh High School, Olean Bishop Timon – St. Jude High School, Buffalo Buffalo Academy of the Sacred Heart, Buffalo Canisius High School, Buffalo Cardinal O'Hara High School, Town of Tonawanda Mount Mercy Academy, Buffalo Mount Saint Mary Academy, Kenmore Nardin Academy, Buffalo Niagara Catholic High School, Niagara Falls Notre Dame High School, Batavia Saint Francis High School, Athol Springs St. Joseph's Collegiate Institute, Buffalo St. Mary's High School, Lancaster Closed Immaculata Academy, Hamburg
Priests	Nelson Baker John P. Boland Celestine Joseph Damiano John Joseph Fitzpatrick Edmund Francis Gibbons Francis Xavier Krautbauer John Joseph McMahon James Johnston Navagh Thomas Joseph Walsh
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