| Date: | 29 January–4 February |
| Edition: | 24th |
| Category: | ITF Women's Circuit |
| Location: | Midland, United States |
| Surface: | Hard / Indoor |
| Prize Money: | $100,000 |
| Champs: |  Madison Brengle |
| Champd: | Kaitlyn Christian / Sabrina Santamaria |
The 2018 Dow Tennis Classic was a professional tennis tournament played on indoor hard courts. It was the twenty-fourth edition of the tournament and was part of the 2018 ITF Women's Circuit. It took place in Midland, United States, on 29 January–4 February 2018.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
 Romania | Mihaela Buzărnescu | 44 | 1 | |
| United States | Jennifer Brady | 65 | 2 | |
| United States | Madison Brengle | 90 | 3 | |
| United States | Sofia Kenin | 102 | 4 | |
| United States | Sachia Vickery | 106 | 5 | |
| Richèl Hogenkamp | 108 | 6 | ||
 Colombia | Mariana Duque Mariño | 109 | 7 | |
 Russian Federation | Evgeniya Rodina | 111 | 8 |
The following players received a wildcard into the singles main draw:
The following players received entry from the qualifying draw:
The following player received entry as a Lucky Loser:
See main article: 2018 Dow Tennis Classic – Singles.
Madison Brengle def. Jamie Loeb, 6–1, 6–2 Kaitlyn Christian / Sabrina Santamaria def. Jessica Pegula / Maria Sanchez, 7–5, 4–6, [10–8]
