Justice Johnson may refer to:

United States Supreme Court

• Thomas Johnson (judge) (1732–1819), associate justice of the United States Supreme Court
• William Johnson (judge) (1771–1834), associate justice of the United States Supreme Court

United States state supreme courts

• Alexander S. Johnson (1817–1878), chief judge of the New York Court of Appeals
• Benjamin Johnson (Rhode Island judge) (1749–1814), associate justice of the Rhode Island Supreme Court
• Benjamin A. Johnson (1887–1943), associate justice of the Maryland Court of Appeals
• Bernette Joshua Johnson (born 1943), chief justice of the Louisiana Supreme Court
• Byron J. Johnson (1937–2012), associate justice of the Idaho Supreme Court
• Cecil E. Johnson (1888–1955), associate justice of the Arkansas Supreme Court
• Charles W. Johnson (jurist) (born 1951), associate chief justice of the Washington Supreme Court
• Clarke Howard Johnson (1851–1930), associate justice of the Rhode Island Supreme Court
• David Johnson (Michigan jurist) (1809–1886), associate justice of the Michigan Supreme Court
• Denise R. Johnson (born 1947), associate justice of the Vermont Supreme Court
• Howard A. Johnson (1893–1974), associate justice of the Montana Supreme Court
• J. Mercer Johnson (1906–1988), associate justice of the Arizona Supreme Court
• J. Neely Johnson (1825–1872), justice of the Nevada Supreme Court from 1867 to 1871
• J. Philip Johnson (born 1938), justice of the North Dakota Supreme Court from 1974 to 1975 and again in 1992
• James D. Johnson (1924–2010), associate justice of the Arkansas Supreme Court
• James G. Johnson (1855–1936), associate justice of the Supreme Court of Ohio
• James M. Johnson (judge) (fl. 1970s–2010s), associate justice of the Washington Supreme Court
• Jefferson D. Johnson Jr. (1900–1960), associate justice of the North Carolina Supreme Court
• John Johnson Sr. (1770–1824), judge of the Maryland Court of Appeals
• John Johnson (Indiana judge) (1776–1817), associate justice of the Indiana Supreme Court Justices
• John T. Johnson (Oklahoma judge) (1856–1935), associate justice of the Oklahoma Supreme Court
• Lee A. Johnson (born 1947), associate justice of the Kansas Supreme Court
• Nels Johnson (judge) (1896–1958), associate justice of the North Dakota Supreme Court
• Okey Johnson (1834–1903), associate justice of the Supreme Court of Appeals of West Virginia
• Phil Johnson (judge) (born 1944), associate justice of the Supreme Court of Texas
• Sveinbjorn Johnson (1883–1946), associate justice of the North Dakota Supreme Court
• Thomas Johnson (Arkansas judge) (1808–1878), chief justice of the Arkansas Supreme Court
• William Samuel Johnson (1727–1819), member of the colonial Connecticut Supreme Court 1772–1774
• William Wartenbee Johnson (1826–1887), associate justice of the Supreme Court of Ohio

• Harvey M. Johnsen (1895–1975), associate justice of the Nebraska Supreme Court
• Judge Johnson (disambiguation)