[[ImageBerkas:Millstone Anatomy.jpg|uprightlurus|thumbjmpl|Anatomi dasar batu kilangan.]]
'''Batu kilangan''' adalah batu yang dipakai untuk menggiling [[gandum]] atau biji-bijian lainnya. Masyarakat [[Neolitikum]] dan [[Paleolitikum Akhir]] memakai batu kilangan untuk menggiling [[gandum]], kacang, [[rizoma]] dan produk pangan lainnya untuk disantap.<ref name="Revedin">{{cite journal | last1 = Revedin | first1 = A | last2 = Aranguren | first2 = B | last3 = Becattini | first3 = R | last4 = Longo | first4 = L | last5 = Marconi | first5 = E | last6 = Lippi | first6 = MM | last7 = Skakun | first7 = N | last8 = Sinitsyn | first8 = A | last9 = Spiridonova | first9 = E | last10 = Svoboda | first10 = J. | year = 2010 | title = Thirty thousand-year-old evidence of plant food processing | url = | journal = Proc Natl Acad Sci U S A | volume = 107 | issue = 44| pages = 18815–18819 | doi = 10.1073/pnas.1006993107 | pmid = 20956317 | pmc=2973873 | bibcode=2010PNAS..10718815R|display-authors=etal}}</ref>