The Central Electoral Commission (CEC) has registered Petro Poroshenko as candidate for president of Ukraine in the 31 March election.
Poroshenko is running as an independent candidate.
The CEC has also registered three more independent candidates. These are ex-MP Yuriy Karmazin, TV presenter Yuliya Lytvynenko and NGO head Oleksandr Vashchenko.
There are now 41 officially registered candidates.
The dealine for registration is 8 February.