The 4th Independent Battery Wisconsin Light Artillery was an artillery battery that served in the Union Army during the American Civil War.
The 4th Independent Battery was mustered into service at Racine, Wisconsin, on October 10, 1861.
The battery was mustered out on July 3, 1865.
The 4th Independent Battery initially recruited 151 officers and men. An additional 100 men were recruited as replacements, for a total of 251 men.
The battery suffered 3 enlisted men killed in action or died of wounds and 22 enlisted men who died of disease, for a total of 25 fatalities.