| Date: | 29 January–4 February |
| Edition: | 15th (men) 9th (women) |
| Category: | ATP Challenger Tour (men) ITF Women's Circuit (women) |
| Prize Money: | $75,000 / $60,000 |
| Surface: | Hard |
| Location: | Burnie, Tasmania, Australia |
| Venue: | Burnie Tennis Club |
| Champms: |  Stéphane Robert |
| Champmd: |  Gerard Granollers / Marcel Granollers |
| Champws: |  Marta Kostyuk |
| Champwd: |  Vania King /  Laura Robson |
| Main Name: | Burnie International |
| Before Year: | 2017 |
| After Year: | 2019 |
The 2018 Caterpillar Burnie International was a professional tennis tournament played on outdoor hard courts as part of the 2018 ATP Challenger Tour and the 2018 ITF Women's Circuit, offering a total of $75,000 in prize money for men and $60,000 for women. It was the fifteenth (for men) and ninth (for women) edition of the tournament.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
| Spain | Marcel Granollers | 133 | 1 | |
 Japan | Yoshihito Nishioka | 168 | 2 | |
| United States | Evan King | 202 | 3 | |
| United States | Kevin King | 214 | 4 | |
| France | Stéphane Robert | 215 | 5 | |
 Australia | Andrew Whittington | 227 | 6 | |
| Australia | Jason Kubler | 243 | 7 | |
| United States | Christian Harrison | 252 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
The following players received entry as lucky losers:
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
| Viktorija Golubic | 115 | 1 | ||
 Czech Republic | Barbora Krejčíková | 128 | 2 | |
| Patty Schnyder | 149 | 3 | ||
| Australia | Olivia Rogowska | 168 | 4 | |
 Russian Federation | Irina Khromacheva | 188 | 5 | |
 Romania | Alexandra Dulgheru | 190 | 6 | |
| Australia | Destanee Aiava | 193 | 7 | |
| United Kingdom | Katie Boulter | 196 | 8 |
The following players received wildcards into the singles main draw:
The following player received entry by a junior exempt:
The following players received entry from the qualifying draw:
See main article: 2018 Burnie International – Men's singles.
Stéphane Robert def. Daniel Altmaier 6–1, 6–2.See main article: 2018 Burnie International – Women's singles.
Marta Kostyuk def. Viktorija Golubic, 6–4, 6–3See main article: 2018 Burnie International – Men's doubles.
Gerard Granollers / Marcel Granollers def. Evan King / Max Schnur 7–6(10–8), 6–2.See main article: 2018 Burnie International – Women's doubles.
Vania King / Laura Robson def. Momoko Kobori / Chihiro Muramatsu, 7–6(7–3), 6–1
