FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL OMB Number: 3235-0287 Expires: January 31, 2005 Estimated average burden hours per response... 0.5

(Print or Type Responses)

1. Name and Address of Reporting Person * GORDON BETH G   2. Issuer Name and Ticker or Trading Symbol DIAMOND OFFSHORE DRILLING, INC. [DO] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Controller (Last) (First) (Middle) 15415 KATY FREEWAY, SUITE 100 3. Date of Earliest Transaction (Month/Day/Year) 04/01/2018 (Street) HOUSTON, TX 77094 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 04/01/2018   M   1,108 A (1) 2,961 D   Common Stock 04/01/2018   F   268 D $ 14.66 2,693 D   Common Stock 04/01/2018   M   1,336 A (1) 4,029 D   Common Stock 04/01/2018   F   326 D $ 14.66 3,703 D

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
	Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.		SEC 1474 (9-02)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Restricted Stock Units

(1)

04/01/2018

M

1,108

(2)

(2)

Common Stock

1,108

$ 0

0

D

Restricted Stock Units

(1)

04/01/2018

M

1,336

(3)

(3)

Common Stock

1,336

$ 0

1,336

D

Restricted Stock Units

(4)

04/01/2018

A

1,317

(5)

(5)

Common Stock

1,317

$ 0

1,317

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
GORDON BETH G 15415 KATY FREEWAY SUITE 100 HOUSTON, TX 77094			Controller

Signatures

/s/ Terence W. Waldorf Attorney-in-Fact for Beth G. Gordon		04/03/2018
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	Restricted stock units convert into common stock on a one-for-one basis.
(2)	The restricted stock units that were awarded on April 1, 2015 vest in two equal installments on April 1, 2017 and April 1, 2018. One share of common stock will be delivered with respect to each vested restricted stock unit within 30 days after the applicable vesting date.
(3)	The restricted stock units that were awarded on April 1, 2016 vest in two equal installments on April 1, 2018 and April 1, 2019. One share of common stock will be delivered with respect to each vested restricted stock unit within 30 days after the applicable vesting date.
(4)	Each restricted stock unit represents a contingent right to receive one share of common stock.
(5)	The restricted stock units vest in two equal installments on April 1, 2020 and April 1, 2021. One share of common stock will be delivered with respect to each vested restricted stock unit within 30 days after the applicable vesting date.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.