The 2019 LPGA of Japan Tour was the 52nd season of the LPGA of Japan Tour, the professional golf tour for women operated by the Ladies Professional Golfers' Association of Japan. The 2019 schedule included 39 official events all played in Japan.
Leading money winner was Ai Suzuki with 160,189,665 ¥ while Hinako Shibuno won the tour's Mercedes Ranking. Jiyai Shin finished most often (18 times) inside the top ten.[1]
The number in parentheses after winners' names show the player's total number wins in official money individual events on the LPGA of Japan Tour, including that event. All tournaments are played in Japan.
| Dates | Tournament | Location | Prize fund (¥) | Winner | WWGR pts | |
|---|---|---|---|---|---|---|
| Mar 7–10 | 120,000,000 |  Mamiko Higa (5) | 20.5 | |||
| Mar 15–17 | 80,000,000 | Ai Suzuki (10) | 19.5 | |||
| Mar 22–24 | 100,000,000 | Momoko Ueda (14) | 19.5 | |||
| Mar 29–31 | 80,000,000 | Yui Kawamoto (1) | 18.5 | |||
| Apr 4–7 | 100,000,000 | Misuzu Narita (12) | 19.0 | |||
| Apr 12–14 | 60,000,000 |  Jiyai Shin (22) | 17.0 | |||
| Apr 19–21 | 100,000,000 | Lee Ji-hee (23) | 17.5 | |||
| Apr 26–28 | 80,000,000 | Jiyai Shin (23) | 18.5 | |||
| May 3–5 | 80,000,000 | Minami Katsu (3) | 19.0 | |||
| May 9–12 | World Ladies Championship Salonpas Cup | 120,000,000 | Hinako Shibuno (1) | 19.5 | ||
| May 17–19 | 120,000,000 | Lee Min-young (4) | 19.5 | |||
| May 24–26 | 70,000,000 | Minami Katsu (4) | 17.0 | |||
| May 31 – Jun 2 | 80,000,000 | Erika Hara (1) | 15.5 | |||
| Jun 7–9 | 70,000,000 | Momoko Ueda (15) | 17.0 | |||
| Jun 13–16 | 100,000,000 | Ai Suzuki (11) | 19.5 | |||
| Jun 21–23 | 80,000,000 | Ai Suzuki (12) | 18.5 | |||
| Jun 27–30 | 200,000,000 | Jiyai Shin (24) | 19.5 | |||
| Jul 4–7 | 120,000,000 | Hinako Shibuno (2) | 19.0 | |||
| Jul 11–14 | 100,000,000 |  Saranporn Langkulgasettrin (1) | 19.0 | |||
| Jul 19–21 | 60,000,000 | Sakura Koiwai (1) | 15.5 | |||
| Jul 26–28 | 80,000,000 | Mone Inami (1) | 16.0 | |||
| Aug 1–4 | 120,000,000 | Misuzu Narita (13) | 17.5 | |||
| Aug 9–11 | 90,000,000 | Bae Seon-woo (1) | 19.5 | |||
| Aug 16–18 | 80,000,000 | Lala Anai (3) | 19.5 | |||
| Aug 23–25 | 60,000,000 | Saki Asai (1) | 17.0 | |||
| Aug 29 – Sep 1 | 100,000,000 | Ai Suzuki (13) | 19.0 | |||
| Sep 6–8 | 60,000,000 | Lee Min-young (5) | 17.0 | |||
| Sep 12–15 | Japan LPGA Championship Konica Minolta Cup | 200,000,000 | Nasa Hataoka (5) | 22.0 | ||
| Sep 20–22 | 80,000,000 | Hinako Shibuno (3) | 20.5 | |||
| Sep 27–29 | 70,000,000 | Asuka Kashiwabara (1) | 19.0 | |||
| Oct 3–6 | Japan Women's Open Golf Championship | 150,000,000 | Nasa Hataoka (6) | 20.5 | ||
| Oct 11–13 | 100,000,000 | Hwang Ah-reum (5) | –[2] [3] | |||
| Oct 18–20 | 80,000,000 | Ayaka Furue (1, amateur) | 17.5 | |||
| Oct 24–27 | 200,000,000 | Asuka Kashiwabara (2) | 20.5 | |||
| Nov 1–3 | 80,000,000 | Ai Suzuki (14) | 18.5 | |||
| Nov 8–10 | US$1,500,000 | Ai Suzuki (15) | 43.0 | |||
| Nov 15–17 | 100,000,000 | Ai Suzuki (16) | 19.5 | |||
| Nov 21–24 | 100,000,000 | Hinako Shibuno (4) | 19.5 | |||
| Nov 28 – Dec 1 | Japan LPGA Tour Championship Ricoh Cup | 120,000,000 | Bae Seon-woo (2) | 19.0 |
Events in bold were majors.
The Toto Japan Classic was co-sanctioned with the LPGA Tour.