Elizabeth Tkachenko (born February 21, 2006) is an Israeli–American ice dancer who currently represents Israel.

With her skating partner, Alexei Kiliakov, she is the 2024 World Junior silver medalist and two-time Israeli national champion (2023, 2025).

Tkachenko was born on February 21, 2006, in Rockville, Maryland to parents Valery and Oxana.

[1] Tkachenko began learning how to skate at age three in public sessions.

She was later invited to join the Wheaton Ice Skating Academy (WISA), founded by her current coaches, former Russian ice dancers Alexei Kiliakov and Elena Novak, and her brother.