The 2019 Latrobe City Traralgon ATP Challenger was a professional tennis tournament played on outdoor hard court. It was the eighth edition of the tournament which was part of the 2019 ATP Challenger Tour. It took place in Traralgon, Australia between 21–27 October 2019.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
 Japan | Yasutaka Uchiyama | 108 | 1 | |
| Japan | Tatsuma Ito | 137 | 2 | |
| 138 | 3 | |||
 Australia | Marc Polmans | 153 | 4 | |
| Australia | Alex Bolt | 154 | 5 | |
| Australia | Andrew Harris | 186 | 6 | |
 United Kingdom | Jay Clarke | 190 | 7 | |
| Alejandro Tabilo | 212 | 8 | ||
| Australia | Max Purcell | 227 | 9 | |
 India | Sasikumar Mukund | 230 | 10 | |
| Australia | Akira Santillan | 246 | 11 | |
| Japan | Hiroki Moriya | 249 | 12 | |
| Australia | Aleksandar Vukic | 253 | 13 | |
| Japan | Shuichi Sekiguchi | 283 | 14 | |
| Japan | Yosuke Watanuki | 289 | 15 | |
| Australia | Harry Bourchier | 309 | 16 |
The following players received wildcards into the singles main draw:
Jai Corbett Cameron Green William Ma Tristan Schoolkate Dane SweenyThe following player received entry into the singles main draw using a protected ranking:
The following player received entry into the singles main draw as an alternate:
The following players received entry from the qualifying draw:
James Ibrahim Brandon WalkinSee main article: 2019 Latrobe City Traralgon ATP Challenger – Singles.
Marc Polmans def. Andrew Harris 7–5, 6–3.See main article: 2019 Latrobe City Traralgon ATP Challenger – Doubles.
Max Purcell / Luke Saville def. Brydan Klein / Scott Puodziunas 6–7(2–7), 6–3, [10–4].