IBK

IBK may refer to:


 * Hwaseong IBK Altos, a women's professional volleyball club in South Korea
 * ÍBK (Íþróttabandalag Keflavíkur), an Icelandic sports club now known as Keflavík ÍF
 * Ibk algorithm, implements the k-nearest neighbor algorithm
 * Ibrahim Boubacar Keïta (1945–2022), former president and prime minister of Mali
 * Industrial Bank of Korea, a bank headquartered in Seoul, South Korea
 * Infectious bovine keratoconjunctivitis, an infection of cattle caused by a rod shaped bacterium
 * Innsbruck Airport, an airport in Tyrol in western Austria
 * Innsbruck, city in Tyrol in western Austria, Abbreviation commonly used in slang speech and social media