LIMITED POWER OF ATTORNEY FOR
SECTION 16 REPORTING OBLIGATIONS

STATE OF VIRGINIA

COUNTY OF LOUDOUN

	Know all men by these presents, that I, Frank C. Mencini, Chief Legal Officer
of F.N.B. Corporation, a corporation organized and existing under the laws of
the State of Florida, do constitute and appoint James Orie, Scott Free, Vince
Calabrese and Timothy Rubritz as my true and lawful attornies-in-fact, with full
power of substitution, for me in any and all capacties, to sign, pursuant to the
requirements of Section 16 of the Securities Exchange Act of 1934, as amended,
any report on Form 3, Form 4, or Form 5, respecting the securities of F.N.B.
Corporation and to file the same with the Securities and Exchange Commission,
together with all exhibits thereto and other documents in connection therewith,
and to sign on my behalf and in me stead, in any and all capacities, any
amendments to said reports, incorporating such changes as said attornies-in-fact
deems appropriate, hereby ratifying and confirming all that said
attornies-in-fact may do or cause to be done by virtue hereof.

The authority of my attorney-in-fact shall be effective until I expressly revoke
it and file the same with the Securities and Exchange commission.

I acknowledge that I have granted this power of attorney solely to make it more
convenient for me to comply with my reporting responsibilities under Section 16
of the Exchange Act, that my granting of this power of attorney does not relieve
me of any of my responsibilities to prepare and file on a timely basis all
reports that I may be required to file under said Section 16, and that neither
F.N.B. Corporation nor my attorney-in-fact has assumed, or shall be deemed to
assume, any of my responsibilities in that regard.

	IN WITNESS WHEREOF, I have hereunto set my hand and seal this 16th day of
November, 2015.




                                         /s/Frank C. Mencini
                                         Signature



                                         Frank C. Mencini
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