Abithana Chintamani is an encyclopedia of Tamil literature written by A. Singaravelu Mudaliar (1855 - 28 January 1931). This is the first encyclopedia of Tamil literature. The first edition, which contains a recommendation dated 1899 by , appeared in 1910 and contained 1050 pages. The second edition, containing 1634 pages, appeared posthumously in 1934, with a preface by the author's son, and is available as reprints.