| Date: | 12–18 June |
| Edition: | 1st |
| Surface: | Clay |
| Location: | Lisbon, Portugal |
| Champs: | Oscar Otte |
| Champd: | Ruan Roelofse / Christopher Rungkat |
The 2017 Lisboa Belém Open was a professional tennis tournament played on clay courts. It was the first edition of the tournament which was part of the 2017 ATP Challenger Tour. It took place in Lisbon, Portugal between 12 and 18 June 2017.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
 Bosnia and Herzegovina | Damir Džumhur | 96 | 1 | |
 Czech Republic | Adam Pavlásek | 97 | 2 | |
 Japan | Taro Daniel | 102 | 3 | |
 Colombia | Santiago Giraldo | 107 | 4 | |
| Gastão Elias | 108 | 5 | ||
 Spain | Roberto Carballés Baena | 134 | 6 | |
| Pedro Sousa | 155 | 7 | ||
| Spain | Rubén Ramírez Hidalgo | 168 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
See main article: 2017 Lisboa Belém Open – Singles.
Taro Daniel 4–6, 6–1, 6–3.See main article: 2017 Lisboa Belém Open – Doubles.
