Nuveen Fund Advisors, LLC
333 West Wacker Drive
Chicago, IL 60606
Phone: 312-917-7700
www.nuveen.com
November 10, 2016
VIA EDGAR
Kimberly A. Browning
Senior Counsel
Disclosure Review and Accounting Office
Securities and Exchange Commission
100 F Street, N.E.
Washington, DC 20549
Nuveen Floating Rate Income Opportunity Fund
Registration Statement on Form N-2
File Nos. 333-212356 and 811-21579
Dear Ms. Browning,
In accordance with Rule 461 of the General Rules and Regulations under the Securities Act of 1933, as amended, Nuveen Floating Rate Income Opportunity Fund hereby requests acceleration of the effective date of the above-captioned Registration Statement so that it will become effective by 10:00 a.m., Eastern Time, on November 15, 2016 or as soon thereafter as practicable.
Sincerely,
NUVEEN FLOATING RATE
INCOME OPPORTUNITY FUND
By:/s/ Gifford R. Zimmerman
Gifford R. Zimmerman
Vice President and Secretary