Bad Buddy (Thai: แค่เพื่อนครับเพื่อน; RTGS: Khae Phuean Khrap Phuean, lit. "Just a Friend, Friend") is a 2021 Thai romantic BL comedy-drama television series starring Korapat Kirdpan (Nanon) and Pawat Chittsawangdee (Ohm). Based on the novel Behind The Scenes by Afterday and -West-, it tells the story of two boys who came from warring, neighboring families and found themselves competing for almost everything, but developed romantic feelings for each other along the way.

Directed by Noppharnach Chaiwimol (Aof) and produced by GMMTV, this series is one of 16 television series of GMMTV for 2021 during their "GMMTV 2021: The New Decade Begins" event on 3 December 2020. It premiered on GMM25 on 29 October 2021, airing on every Friday at 20:30 ICT (8:30 pm), while its full uncut version aired at 22:30 ICT (10:30 pm) on WeTV. It replaced the Friday slot of the Fish upon the Sky rerun on GMM25.

It was featured on Teen Vogue's best BL dramas of 2022 list.