Conker may refer to:

Horse chestnuts The seed of the horse chestnut, Aesculus hippocastanum Conkers, a traditional children's game, using the seed threaded on a string

Video games Conker (series), a video game franchise by Rare Conker's Pocket Tales, the first solo game in the series Conker's Bad Fur Day, the second game in the series Conker: Live & Reloaded, an Xbox remake of the second game Conker the Squirrel, the main character in the series

Other Conkeror, a web browser Conkerberry, the plant Carissa spinarum