世界鳥類學家聯合會

Infobox organization | name = 世界鳥類學家聯合會 | native_name = International Ornithologists' Union | former_name = 國際鳥類學委員會 （ International Ornithological Committee ） | image = | image_border = | size = | alt = | caption = | map = | map_size = | map_alt = | map_caption = | map2 = | abbreviation = IOU | motto = | predecessor = | successor = | formation = | founder = | extinction = | merger = | merged = | type = | status = | purpose = | professional_title = | headquarters = | location = | coords = | region_served = | services = | membership = | language = | general = | leader_title = | leader_name = | leader_title2 = | leader_name2 = | leader_title3 = | leader_name3 = | leader_title4 = | leader_name4 = | board_of_directors = | key_people = | main_organ = 國際鳥類學大會 （ Committee of Representatives and International Ornithological Congress ） | parent_organization = | subsidiaries = | secessions = | affiliations = 國際生物科學聯合會 | budget = | num_staff = | num_volunteers = | slogan = | website = 世界鳥類學家聯合會  ， 原稱國際鳥類學委員會  ， 是國際鳥類學大會  的領導機構 ， 由全球200名鳥類學家組成 ， 平時由其常務委員會負責 。