charles rollin buckalew (december 28, 1821may 19, 1899) was an american lawyer and politician from pennsylvania. he served as a democratic member of the pennsylvania senate for the 16th district from 1851 to 1854 and 1859 to 1860. he also served in the pennsylvania senate for the 13th district from 1858 to 1861 and as minister resident for ecuador from 1858 to 1861. he served as a u.s. senator for pennsylvania from 1863 to 1869, a u.s. representative for pennsylvania's 11th district from 1887 to 1889 and a u.s. representative for pennsylvania's 17th district from 1889 to 1891.