Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in the following Registration Statements of Science Applications International Corporation:

(1)Registration Statement (Form S-8 No. 333-191436)

(2)Registration Statement (Form S-8 No. 333-203222)

(3)Registration Statement (Form S-8 No. 333-229254)

of our reports dated March 25, 2021, with respect to the consolidated financial statements of Science Applications International Corporation and the effectiveness of internal control over financial reporting of Science Applications International Corporation included in this Annual Report (Form 10-K) of Science Applications International Corporation for the year ended January 29, 2021.

/s/ ERNST & YOUNG LLP

Tysons, Virginia

March 25, 2021