| Honorific-Prefix: | The Honorable |
| Alex J. Raineri | |
| Office: | Wisconsin Circuit Court Judge for the |
| Term Start: | August 1, 1978 |
| Term End: | 1981 |
| Predecessor: | Position established |
| Successor: | John P. Varda |
| Office1: | District Attorney of Iron County |
| Term Start1: | January 3, 1949 |
| Term End1: | January 1, 1951 |
| Predecessor1: | Joseph C. Raineri |
| Successor1: | George D. Sullivan |
| State2: | Wisconsin |
| State Assembly2: | Wisconsin |
| District2: | Iron - Vilas |
| Term Start2: | January 1, 1945 |
| Term End2: | January 1, 1949 |
| Predecessor2: | Margaret P. Varda |
| Successor2: | William R. Yeschek |
| Birth Date: | 17 September 1918 |
| Birth Place: | Hurley, Wisconsin |
| Alma Mater: | University of Notre Dame DePaul University |
| Profession: | lawyer, judge |
Alex J. Raineri (September 17, 1918October 17, 1994) was an American lawyer, politician, and judge. He was a member of the Wisconsin State Assembly and a Wisconsin Circuit Court Judge.
Raineri was born on September 17, 1918, in Hurley, Wisconsin.[1] He attended the University of Notre Dame and DePaul University. During World War II, he served in the United States Army Corps of Engineers. He died in Utah[2] on October 17, 1994.[3]
Raineri was elected to the Assembly in 1944. He was a Republican.[4] He chose not to run again for the Assembly in the 1948 elections.[5]