邀请函的英文是：invitation。
读法英 [ˌɪnvɪˈteɪʃn] 美 [ˌɪnvɪˈteɪʃn]n. 邀请；引起，招致；（尤指正式地）征求，请求；请帖，请柬 。
邀请函分为两种：一种是个人信函，例如邀请某人共进晚餐、参加宴会、观看电影、出席典礼等。
另一种邀请函是事务信函，一般是邀请参加会议、学术活动等等。
1、普通邀请函 第一种邀请函邀请的对象一般是朋友、熟人，所以内容格式。
邀请函英文 Dear Professor Wang,On behalf of the Ohio State University and the IEEE Computer Society, I would be very pleased to invite you to attend and chair a session of the forthcoming 2004 International 。
英文邀请函1 邀请演讲 inviting someone to address a meeting dear [dr， rodger]：[the english department of nankai university] would like to extend to you an invitation to be our guest speaker at the [ann。