November 15, 2017

VIA EDGAR

Division of Corporation Finance

U.S. Securities & Exchange Commission

100 F Street, N.E.

Washington, D.C. 20549

Attention:

Barbara Jacobs

Jan Woo

Jeff Kauten

 

Re:

BlackLine, Inc.

Registration Statement on Form S-3

File No. 333-221500

 

Acceleration Request

Requested Date:

November 17, 2017

Requested Time:

4:00 P.M. Eastern Time

Ladies and Gentlemen:

Pursuant to Rule 461 under the Securities Act of 1933, as amended, BlackLine, Inc. (the “Company”) hereby requests that the above-referenced Registration Statement on Form S-3 (File No. 333-221500) (the “Registration Statement”) be declared effective at the “Requested Date” and “Requested Time” set forth above or at such later time as the Company or its counsel may orally request via telephone call to the staff (the “Staff”) of the Division of Corporation Finance of the Securities and Exchange Commission (the “Commission”). Once the Registration Statement has been declared effective, please orally confirm that event with our counsel, Wilson Sonsini Goodrich & Rosati, P.C., by calling Allison Spinner at (650) 565-3765.

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cc:	Therese Tucker, BlackLine, Inc.

Allison Spinner, Wilson Sonsini Goodrich & Rosati, P.C.

Jeffrey Saper, Wilson Sonsini Goodrich & Rosati, P.C.