Alsdon \a-ls-don, al-sdon\ as a boy's name is a variant of Alston (Old English), and the meaning of Alsdon is "elf stone".

The baby name Alsdon sounds like Elsdon, Allston, Alstin, Alsten and Elston. Other similar baby names are Aldon, Alden, Aldin, Aldan, Alison, Allson, Alisson, Alton, Allton and Aston.