Alfred Church Lane (January 29, 1863 – April 15, 1948) was an American geologist and teacher. Born in Boston, Alfred C. Lane was educated at Harvard University and received his A.B. degree in 1883. Between 1883 and 1885 he taught mathematics at Harvard, then studied at the University of Heidelberg until 1887 before returning to Harvard to earn his Ph.D. in 1888. The following year he joined the Michigan State Geologic Survey as a petrographer, and he remained in that post into 1892 while also serving as an instructor at the Michigan College of Mines. He became assistant state geologist for Michigan in 1892, and from 1899 to 1909 he was the state geologist. Finally, he joined Tufts College in 1892, becoming the Pearson professor of geology and mineralogy. He retired from the college in 1936