UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                              WASHINGTON, D.C. 20549

                                   FORM N-PX

    ANNUAL REPORT OF PROXY VOTING RECORD OF REGISTERED MANAGEMENT INVESTMENT
                                     COMPANY

 INVESTMENT COMPANY ACT FILE NUMBER:     811-21666

 NAME OF REGISTRANT:                     Hatteras Master Fund, L.P.



 ADDRESS OF PRINCIPAL EXECUTIVE OFFICES: 8510 Colonnade Center Drive,
                                         Suite 150
                                         Raleigh, NC 27615

 NAME AND ADDRESS OF AGENT FOR SERVICE:  David B. Perkins
                                         8510 Colonnade Center Drive,
                                         Suite 150
                                         Raleigh, NC 27615

 REGISTRANT'S TELEPHONE NUMBER:          919-846-2324

 DATE OF FISCAL YEAR END:                03/31

 DATE OF REPORTING PERIOD:               07/01/2018 - 06/30/2019





                                                                                                  

Hatteras Master Fund L.P.
--------------------------------------------------------------------------------------------------------------------------
 The fund held no voting securities during the reporting period and did not vote any securities or have
 any securities that were subject to a vote during the reporting period.






SIGNATURES

Pursuant to the requirements of the Investment Company Act of 1940, the
registrant has duly caused this report to be signed on its behalf by the
undersigned, thereunto duly authorized.

(Registrant)         Hatteras Master Fund, L.P.
By (Signature)       /s/ David B. Perkins
Name                 David B. Perkins
Title                President
Date                 08/08/2019