Katiyar
Katiyar is originally a Brij language word known as Katyar but later in kannauji dialect it convert into katiyar. It is derived from the word "Katar" meaning sword. The surname Katiyar is used by people of Kurmi caste in North India. Notable people with the surname include:

Sarvagya Singh Katiyar former Vice Chancellor of CSJM University Kanpur
Vinay Katiyar, founder of Bajrang Dal
Prem Lata Katiyar, member of Uttar Pradesh Legislative Assembly. References

Surnames of Indian origin