UROVANT SCIENCES LTD.
POWER OF ATTORNEY

The undersigned hereby constitutes and appoints each of Bryan Smith and
Christine Ocampo of Urovant Sciences, Inc., and Mark Peterson of O'Melveny &
Myers LLP, with full power of substitution, signing individually, as the
undersigned's true and lawful attorney-in fact and agent for any of the
following actions:

1. Prepare, execute in the undersigned's name and on the undersigned's behalf,
and submit to the Securities and Exchange Commission (the "SEC") Form ID,
Uniform Application for Access Codes to File on EDGAR, including amendments
thereto, and any other documents necessary to obtain codes and passwords
enabling the undersigned to make electronic filings with the SEC of reports
required by Section 16(a) of the Securities Exchange Act of 1934, as amended
(the "Exchange Act"), or any rule or regulation thereunder;

2. Prepare, execute in the undersigned's name and on the undersigned's behalf,
and submit to the SEC Forms 3, 4 and 5 (including amendments thereto and joint
filing agreements in connection therewith) in accordance with Section 16(a) of
the Exchange Act and the rules and regulations thereunder in the undersigned's
capacity as an officer, director or beneficial owner of more than 10% of a
registered class of securities of Urovant Sciences Ltd. (the "Company");

3. Do and perform any and all acts for and on behalf of the undersigned that may
be necessary or desirable to execute such Forms 3, 4, or 5, or Form ID
(including any amendments thereto) and timely file such forms with the SEC, and
any stock exchange, self-regulatory association or similar authority; and

4. Take any other action of any nature whatsoever in connection with the
foregoing that, in the opinion of such attorney-in-fact, may be of benefit, 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 each 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. The undersigned acknowledges that the foregoing attorneys-in-fact, and
their substitutes, in serving in such capacity at the request of the
undersigned, are not assuming (nor is the Company assuming) any of the
undersigned's responsibilities to comply with Section 16 of the Exchange Act.

This Power of Attorney shall remain in full force and effect until the earliest
to occur of (a) 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, (b) revocation by the undersigned in a signed writing
delivered to the foregoing attorneys-in-fact or (c) as to any attorney-in-fact
individually, until such attorney-in-fact is no longer employed by O'Melveny &
Myers LLP, Urovant Sciences, Inc. or another subsidiary of the Company, as
applicable.

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be
executed as of the date written below.

Date: May 28, 2020

/s/ Walt Johnston
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Walt Johnston