The 2018 Qatar Total Open was a professional women's tennis tournament played on hard courts. It was the 16th edition of the event and a WTA Premier 5 tournament on the 2018 WTA Tour. It took place at the International Tennis and Squash complex in Doha, Qatar between 12 and 17 February 2018.
| Event | W | F | SF | QF | Round of 16 | Round of 32 | Round of 56 | Q | Q2 | Q1 |
| Singles | 900 | 585 | 350 | 190 | 105 | 60 | 1 | 30 | 20 | 1 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 |
| Event | W | F | SF | QF | Round of 16 | Round of 32 | Round of 56 | Q2 | Q1 | |
| Singles | $591,750 | $295,900 | $147,750 | $68,125 | $33,750 | $17,325 | $8,900 | $4,955 | $2,550 | |
| $169,280 | $85,600 | $42,360 | $21,235 | $10,805 | $5,335 |
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
Ashleigh Barty → replaced by Donna Vekić
Aleksandra Krunić
Tímea Babos
CoCo Vandeweghe → replaced by Mona BarthelThe following pairs received wildcards into the doubles main draw:
The following pairs received entry as alternates:
See main article: 2018 Qatar Total Open – Singles.
Petra Kvitová def. 
Garbiñe Muguruza, 3–6, 6–3, 6–4It was Kvitová's first Doha title and second of the year and 22nd WTA title overall.
See main article: 2018 Qatar Total Open – Doubles.
Gabriela Dabrowski / Jeļena Ostapenko def. Andreja Klepač / María José Martínez Sánchez, 6–3, 6–3
Romania
Ukraine
France
United Kingdom
Slovakia
Belgium
