Tkach is a Slavic surname. The English translation of the name is "Weaver". It is a common surname in the Ukraine, as well as in Russia, Belarus, Poland, Slovakia, Czech Republic and Serbia.
It may refer to:
Anna Tkach (born 1975), Russian-born Israeli sprinterElena Tkach (born 1970), Russian sport shooterJoseph W. Tkach (1927–1995), American religious figureJoseph Tkach, Jr. (born 1951), American religious figure, son of Joseph W. TkachLyubov Tkach (born 1993), Russian athleteMikhail Tkach (1895–unknown), Ukrainian-born American spySerhiy Tkach (born 1952), Russian-born Ukrainian serial killerSvetlana Şepelev-Tcaci (Svetlana Tkach) (born 1969), Moldovan runnerYuliya Tkach (born 1989), Ukrainian Olympic wrestlerZlata Tkach (1928–2006), Moldovan composer