| Date: | 4–10 June |
| Edition: | 15th (ATP) 16th (ITF) |
| Category: | ATP Challenger Tour ITF Women's Circuit |
| Location: | Surbiton, United Kingdom |
| Prize Money: | €127,000 (ATP) $100,000 (ITF) |
| Champms: |  Jérémy Chardy |
| Champmd: |  Luke Bambridge / Jonny O'Mara |
| Champws: |  Alison Riske |
| Champwd: |  Jessica Moore / Ellen Perez |
| Main Name: | Surbiton Trophy |
| Before Name: | Aegon Surbiton Trophy |
| After Name: | Surbiton Trophy |
The 2018 Fuzion 100 Surbiton Trophy was a professional tennis tournament played on outdoor grass courts. It was the fifteenth (ATP) and sixteenth (ITF) editions of the tournament and was part of the 2018 ATP Challenger Tour and the 2018 ITF Women's Circuit. It took place in Surbiton, United Kingdom, on 4–10 June 2018.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
| France | Jérémy Chardy | 86 | 1 | |
| Australia | Jordan Thompson | 91 | 2 | |
 India | Yuki Bhambri | 93 | 3 | |
 Russian Federation | Mikhail Youzhny | 98 | 4 | |
 Slovakia | Lukáš Lacko | 99 | 5 | |
| Australia | Alex de Minaur | 105 | 6 | |
| United States | Mackenzie McDonald | 107 | 7 | |
| United States | Bjorn Fratangelo | 109 | 8 |
The following players received a wildcard into the singles main draw:
The following player received entry into the singles main draw using a protected ranking:
The following players received entry from the qualifying draw:
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
| United Kingdom | Heather Watson | 80 | 1 | |
| United States | Alison Riske | 83 | 2 | |
| United States | Madison Brengle | 101 | 3 | |
 Belgium | Yanina Wickmayer | 105 | 4 | |
| Jana Fett | 109 | 5 | ||
| Russian Federation | Evgeniya Rodina | 116 | 6 | |
| Australia | Arina Rodionova | 123 | 7 | |
| United States | ||||
| United States | Kristie Ahn | 127 | 9 |
The following players received a wildcard into the singles main draw:
The following players received entry using protected rankings:
The following players received entry from the qualifying draw:
The following player received entry as a lucky loser:
Nadja GilchristSee main article: 2018 Fuzion 100 Surbiton Trophy – Men's singles.
Jérémy Chardy def. Alex de Minaur 6–4, 4–6, 6–2.See main article: 2018 Fuzion 100 Surbiton Trophy – Women's singles.
Alison Riske def. Conny Perrin, 6–2, 6–4See main article: 2018 Fuzion 100 Surbiton Trophy – Men's doubles.
Luke Bambridge / Jonny O'Mara def. Ken Skupski / Neal Skupski 7–6(13–11), 4–6, [10–7].See main article: 2018 Fuzion 100 Surbiton Trophy – Women's doubles.
Jessica Moore / Ellen Perez def. Arina Rodionova / Yanina Wickmayer, 4–6, 7–5, [10–3]
