Banco Santander Chile 6-K, filed Sep 15, 2020

FORM6-K

SECURITIESAND EXCHANGE COMMISSION

Washington,D.C. 20549

Reportof Foreign Issuer

Pursuantto Rule 13a-16 or 15d-16 of

theSecurities Exchange Act of 1934

CommissionFile Number: 001-14554

BancoSantander Chile

SantanderChile Bank

(Translationof Registrant’s Name into English)

Bandera140

Santiago,Chile

(Addressof principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F:

Form 20-F ☒ Form 40-F ☐

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1):

Yes ☐ No ☒

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7):

Yes ☐ No ☒

Indicate by check mark whether by furnishing the information contained in this Form, the Registrant is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934:

Yes ☐ No ☒

If “Yes” is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b): N/A

EXHIBITINDEX

1

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Date: September 15, 2020

2

Exhibit 99.1