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                                                            August 16, 2024

David Bell
General Counsel
Grifols S.A.
Avinguda de la Generalitat, 152-158
Parc de Negocis Can Sant Joan
Sant Cugat del Valles 08174
Barcelona, Spain

       Re: Grifols S.A.
           Form 20-F for the fiscal year ended December 31, 2023
           Filed April 19, 2024
           Form 6-K filed July 30, 2024
           File No. 001-35193
Dear David Bell:

       We have limited our review of your filings to the financial statements
and related
disclosures and have the following comment.

       Please respond to this letter within ten business days by providing the
requested
information or advise us as soon as possible when you will respond. If you do
not believe a
comment applies to your facts and circumstances, please tell us why in your
response.

       After reviewing your response to this letter, we may have additional
comments.

Form 6-K filed July 30, 2024
Notes to the Condensed Consolidated Interim Financial Statements for the
six-month period
ended 30 June 2024
(2) Basis of Presentation and Accounting Principles Applied
(d) Changes in accounting criteria and correction of errors
Shanghai RAAS, page 4

1.     Please provide an accounting analysis supporting your correction of
prior financial
       reporting for the SRAAS investment and GDS non-controlling interest.
Refer us to the
       technical guidance upon which your relied. In addition, provide the
following
       information.
           Describe and quantify the methods and key assumptions used to
calculate the
           restatement adjustment of    457.2 million and explain the
relationship between
 August 16, 2024
Page 2

           this amount and the SRAAS investment and GDS non-controlling
interest as of
           March 30, 2020 and January 1, 2023.
             Explain why this restatement had no effect on operating results
reported for the
           SRAAS investment and GDS non-controlling interest from 2020 through
2023.
             Clarify whether this accounting error was identified by management
or Deloitte in
           connection with its review of your interim financial statements for
the six months
           ended June 30, 2024.
             Describe your "accounting policy adopted in March 2020 " that
governed reciprocal
           interests held by GDS and SRAAS, explain its deficiencies and
describe how they
           were corrected in this restatement.
             Describe your current accounting policy for a "non-controlling
interest when an
           investment in an associate has a stake in a Group company."

       In closing, we remind you that the company and its management are
responsible for the
accuracy and adequacy of their disclosures, notwithstanding any review,
comments, action or
absence of action by the staff.

       Please contact Frank Wyman at 202-551-3660 or Daniel Gordon at
202-551-3486 with
any questions.



                                                          Sincerely,

                                                          Division of
Corporation Finance
                                                          Office of Life
Sciences
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