《不见不散》是一部由冯小刚导演，葛优、徐帆主演的喜剧片，全片在美国洛杉机实地拍摄并于1998年在中国上映。

1997年，冯小刚拍摄的贺岁电影《甲方乙方》上映后获得了很大的成功，该片的出品商北京紫禁城影业公司和北京电影制片厂决定继续合作并推出了1999年贺岁片《不见不散》的拍摄计划。中机现代贸易公司、北京紫禁城影业公司、正天文化传播公司及北京电影制片厂这四家公司决定投资这部电影。出品商敲定由冯小刚出任导演，葛优和徐帆分别出演男女主角，并聘请旅美作家顾晓阳担当编剧。

Be There or Be Square (simplified Chinese:不见不散; traditional Chinese:不見不散; pinyin:Bújiàn búsàn) is a 1998 Chinese romantic comedy film directed by Feng Xiaogang, produced by Beijing Forbidden City Film Co. Ltd., Beijing Film Studio, Zhongji Modern Commercial, Beijing Zhengtian Media & Culture Centre, and Sleiman/Tyrol Films. It is a Feng Xiaogang hesui pian ("New Year celebratory film"), screened during the 1999 Chinese New Year to boost box office takings, and it earned 30M Yuan in theaters. It was granted "Best Feature Film - Hua Biao Prize in 1998" to Beijing Forbidden City Film Co. Ltd., Beijing Film Studio, Zhongji Modern Commercial, Beijing Zhengtian Media & Culture Centre by the China State Administration of Broadcast, Film, & TV in May 1999.