A visa is required for entry by all visitors traveling to Kenya with a few exceptions Listed below.

Failure to complete the visa form properly may result in a delay in the granting of the visa.

Nationals of the following countries do not require visas to enter Kenya:

Antigua and Barbuda, Belize, Cyprus, Botswana, Brunei, Papua New Guinea,
Gambia, Ghana, Grenada, Ethiopia, Fiji Islands, Kiribati, Samoa, Jamaica,
Malaysia, Lesotho, Malawi, Namibia, Maldives, Mauritius, San Marino,Nauru,
New Guinea, Seychelles, St. Lucia, St. Vincent and the Grenadines,
Solomon Islands, Sierra Leone, Singapore, Tanzania, The Bahamas, Swaziland,
Trinidad and Tobago, Turkey, Tonga, Uruguay, Vanuatu, Uganda, Zimbabwe, Zambia

The list is subject to change.

Valid passport with sufficient number of unused pages.
Passport must be valid for at least three months at the date of entry to Kenya.
Fully completed application form: Download Visa Form.
Two (2) recent passport size photographs
Valid round trip ticket or letter from travel agent/airline certifying that the applicant holds prepaid arrangements.
Where applicable, letter from employer.
Valid visa of the country of next destination if in transit (if required)

Referred visas

Applications from nationals of the following countries will be referred to Nairobi for approval:

Afghanistan, Armenia, Azerbaijan, Cameroon, Georgia,
Iraq, Jordan, Lebanon, Mali, Nigeria, North Korea,
Senegal, Somalia, Syria, Tajikistan, Stateless persons. 
 
Requirements

All the above visa requirements apply:

Proof of Immigration status in Israel
Invitation letter from the host or organization to be visited in Kenya.
A recommendation letter from your employer or school if you are a student.
An additional non-refundable referral fee of NIS 70.00

Note: these applications may take up to 6 weeks or more to process.

Visa fee is payable by cash or money order made to the Embassy of Kenya.

Type of Visa  Fee        Chargeable (N.I.S)
Multiple Entry Visa           460.00
Single Entry Visa              230.00
Transit Visa                      90.00
Referral Visa fee              70.00

Health

Immunization against yellow Fever and Cholera are recommended.
Anti-Malaria pills are recommended for those visiting tropical regions.

Import of Pets

License for pets required
A request letter providing the importer's name and address
The pet's name
Current Health Certificate from the veterinary Doctor
The fee is 230 NIS (50.00 $ US) payable in cash or in money Order to Kenya Embassy.
A return self-addressed envelope, prepaid certified, express or registered mail.

For more information www.immigration.go.ke