POWER OF ATTORNEY

	Know all by these presents, that the undersigned hereby constitutes and
appoints Kerry Acocella of Datadog, Inc. (the "Company") and Jodie M. Bourdet,
Nicole Brookshire, Ron A. Metzger and Nathaly Bautista of Cooley LLP, or any of
them signing singly, with full power of substitution, the undersigned's true and
lawful attorney in fact to:

(1)		execute for and on behalf of the undersigned, in the undersigned's capacity
as a director, officer and/or a 10% stockholder of the Company, Forms 3, 4, and
5 in accordance with Section 16(a) of the Securities Exchange Act of 1934 and
the rules thereunder;

(2)		do and perform any and all acts for and on behalf of the undersigned which
may be necessary or desirable to complete and execute any such Form 3, 4, or 5,
complete and execute any amendment or amendments thereto, and timely file such
form with the U.S. Securities and Exchange Commission and any stock exchange or
similar authority; and

(3)	take any other action of any type whatsoever in connection with the
foregoing which, in the opinion of such attorney in fact, may be of benefit to,
in the best interest of, or legally required by, the undersigned, it being
understood that the documents executed by such attorney in fact on behalf of the
undersigned pursuant to this Power of Attorney shall be in such form and shall
contain such terms and conditions as such attorney in fact may approve in such
attorney in fact's discretion.

	The undersigned hereby grants to such attorney in fact full power and authority
to do and perform any and every act and thing whatsoever requisite, necessary,
or proper to be done in the exercise of any of the rights and powers herein
granted, as fully to all intents and purposes as the undersigned might or could
do if personally present, with full power of substitution or revocation, hereby
ratifying and confirming all that such attorney in fact, or such attorney in
fact's substitute or substitutes, shall lawfully do or cause to be done by
virtue of this power of attorney and the rights and powers herein granted.

	This Power of Attorney shall remain in full force and effect until either the
undersigned is no longer required to file Forms 3, 4, and 5 with respect to the
undersigned's holdings of and transactions in securities issued by the Company
or unless earlier revoked by the undersigned in a signed writing delivered to
the foregoing attorneys in fact.

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be
executed as of this 16th day of May, 2022.


	/s/ Titilope Cole
	Titilope Cole