One Spring Night
- Title: 봄밤 / Bombam
- Also known as: Spring Night
- Genre: Drama, romance
- Episodes: 32
- Broadcast network: MBC
- Broadcast period: 2019-May-22 to 2019-Jul-11
- Air time: Wednesday & Thursday 21:00 (2 episodes back-to-back)
- Original Soundtrack: One Spring Night OST
A couple in their 30s has dated for many years. When they begin to discuss marriage, they begin to look upon their relationship in a different light.
- Main Cast
- Supporting Cast
- Gil Hae Yun as Shin Hyung Sun (Jung In's mother)
- Im Sung Uhn as Lee Seo In (Jung In's older sister)
- Joo Min Kyung (주민경) as Lee Jae In (Jung In's younger sister)
- Lee Sang Hee as Song Young Joo (Jung In's friend)
- Oh Man Suk (오만석) as Yoo Nam Soo (Ji Ho's father)
- Seo Jung Yeon as Wang Hye Jung (Ji Ho's colleague)
- Lee Chang Hoon (이창훈) as Park Young Jae (Ji Ho's friend)
- Kim Chang Wan as Kwon Young Kook (Ki Suk's father)
- Lee Moo Saeng (이무생) as Nam Shi Hoon
- Each night's broadcast is divided into two 35 minute episodes with a commercial break in between.
- Son Ye Jin was first offered the lead female role, but declined.