Jamsil Baseball Stadium (Korean: 잠실 야구장; Hanja: 蠶室野球場) is a baseball stadium located at 25 Olympic-ro, Songpa-gu, Seoul, South Korea. The stadium holds 25,000 people and was built from April 1980 to July 1982. It makes up the Seoul Sports Complex along with the nearby Seoul Olympic Stadium, and hosted the baseball events during the 1988 Summer Olympics.

It is the home of the LG Twins and Doosan Bears of the KBO League. The area of Jamsil Baseball Stadium is 26,331 square metres (283,420 sq ft). It has one basement level. It is three stories high with a center-field distance of 125 metres (410 ft) and side distances of 100 metres (330 ft). The stadium has 59 entrances consisting of 49 inner gates and 10 outer gates. The parking lot allows 2,200 cars to park. The stadium can be reached by Seoul Subway Line 2, Line 9, or by bus.

Jamsil Baseball Stadium was renovated in 2007 for about 1.5 billion won. Grass on the field was replaced, drains were installed, and sprinklers were upgraded to prevent heavy rain damage.^[1] In 2009, a viewing party was held at the stadium for the final game of the 2009 World Baseball Classic between South Korea and Japan.^[2] After the 2012 baseball season, Seoul Metropolitan Facilities Management Corporation changed the soil of the ground for easier maintenance and prevention of injuries. They changed all seats except for the third floor, built a new locker room for the away team, and remodeled restrooms for fans. Before the 2020 season, the outfield seats were also renovated. The chairs have been replaced with folding chairs, allowing spectators sitting in the outfield seats to watch the game more comfortably.^[3]

• Dongdaemun Baseball Stadium
• Mokdong Baseball Stadium
• Gocheok Sky Dome