| 2018 Canberra Challenger | |
|---|---|
| Date | 8–13 January 2018 |
| Edition | 3rd |
| Category | ATP Challenger Tour |
| Draw | 32S / 16D |
| Surface | Hard |
| Location | Canberra, Australia |
| Champions | |
| Singles | |
 Andreas Seppi | |
| Doubles | |
 Jonathan Erlich /  Divij Sharan | |
The 2018 Canberra Challenger was a professional tennis tournament played on outdoor hard courts. It was the third edition of the tournament which was a part of the 2018 ATP Challenger Tour. It took place in Canberra, Australia between 8 and 13 January 2018.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
| ISR | Dudi Sela | 67 | 1 |
 GER | Florian Mayer | 69 | 2 |
 ESP | Guillermo García López | 70 | 3 |
 KAZ | Mikhail Kukushkin | 74 | 4 |
 DOM | Víctor Estrella Burgos | 83 | 5 |
 HUN | Márton Fucsovics | 85 | 6 |
| ITA | Andreas Seppi | 86 | 7 |
 SRB | Laslo Đere | 88 | 8 |
The following players received wildcards into the singles main draw:
Alexander Crnokrak Benjamin Mitchell Dane Propoggia Gavin van PeperzeelThe following players received entry from the qualifying draw:
Andreas Seppi def. Márton Fucsovics 5–7, 6–4, 6–3. Jonathan Erlich / Divij Sharan def. 
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