Keohane is a proper noun, typically a surname, pronounced as a two-syllable name with the emphasis on the first or sometimes second syllable depending on regional usage. It is heard in academic, political, and journalistic contexts. The pronunciation often reduces to /ˌkeɪˈhoʊn/ or /ˈkiːəˌheɪn/ in some traditions, but a common, conventional rendering is /ˈkiːoʊˌheɪn/ depending on familiarity and origin.
Full pronunciation guide