John Black Packer (March 21, 1824 – July 7, 1891) was a Republican member of the U.S. House of Representatives from Pennsylvania.
[4] From 1839 to 1842, he served with the corps of engineers that was employed by the Commonwealth of Pennsylvania in the survey and construction of public improvements.
[5] After completed law studies, Packer was admitted to the bar on August 6, 1844, and began his legal practice in Sunbury, where he was also engaged in banking.
He served as chairman of the United States House Committee on Railways and Canals during the Forty-second Congress and United States House Committee on Post Office and Post Roads during the Forty-third Congress.
[8][9] After declining to be a candidate for renomination in 1876, he resumed the practice of law in Sunbury, as well as his banking activities.