Let (R, f, g) be a commutative Krasner (m, n)-hyperring with the scalar identity 1R\documentclass[12pt]{minimal}
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\begin{document}$$1_R$$\end{document} and k(<n\documentclass[12pt]{minimal}
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\begin{document}$$<n$$\end{document}) be a positive integer. In this paper, the concept of n-ary k-absorbing hyperideal of R, as a generalization of n-ary prime hyperideal, is introduced and some related properties are investigated. A proper hyperideal I of R is called n-ary k-absorbing if whenever g(x1n)∈I\documentclass[12pt]{minimal}
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\begin{document}$$g(x_1^n) \in I$$\end{document} for x1n∈R\documentclass[12pt]{minimal}
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\begin{document}$$x_1^n \in R$$\end{document}, then there are k of the xi\documentclass[12pt]{minimal}
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\begin{document}$$x_i$$\end{document}’s whose g-product is in I. It is proved that the radical of an n-ary k-absorbing hyperideal I is an n-ary k-absorbing hyperideal and g(x(k),1R(n-k))∈I\documentclass[12pt]{minimal}
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\begin{document}$$g(x^{(k)}, 1_R^{(n-k)}) \in I$$\end{document} for each x∈I(m,n)\documentclass[12pt]{minimal}
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\begin{document}$$x\in \sqrt{I}^{(m,n)}$$\end{document}. Among other things, we show that n-ary k-absorbing hyperideal has at most k minimal n-ary prime hyperideals. Finally, the notion of the n-ary hyperideal quotient Ix\documentclass[12pt]{minimal}
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\begin{document}$$I_x$$\end{document}, where x∈R\documentclass[12pt]{minimal}
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\begin{document}$$x\in R$$\end{document}, is introduced and studied.
