Honours
*Elected an International Honorary Member of the American Academy of Arts and Sciences in 1892.
*Elected an International Member of the American Philosophical Society in 1895.
*Knight Commander of the Order of the Bath (KCB) in the 1897 Diamond Jubilee Honours list on 22 June 1897.
*Huggins was among the original recipients of the Order of Merit (OM) in the 1902 Coronation Honours list published on 26 June 1902, and received the order from King Edward VII at Buckingham Palace on 8 August 1902.
*Elected a International Member of the United States National Academy of Sciences in 1904.
Awards
*Royal Medal (1866)
*Lalande Prize (1870)
*Gold Medal of the Royal Astronomical Society (jointly with William Allen Miller in 1867, solo in 1885)
*Rumford Medal (1880)
*Valz Prize (1882)
* Member of the Royal Swedish Academy of Sciences (1883)
*Janssen Medal (1888)
*Copley Medal (1898)
*Henry Draper Medal from the National Academy of Sciences (1901)
*Bruce Medal (1904)
 Named after him
*Huggins (lunar crater)
*Huggins (Martian crater)
*Asteroid 2635 Huggins