diff --git a/src/adjtrans.jl b/src/adjtrans.jl
index f889d37c..06848d8e 100644
--- a/src/adjtrans.jl
+++ b/src/adjtrans.jl
@@ -569,3 +569,6 @@ Compute `vec(adjoint(A))`, but avoid an allocating reshape if possible
 """
 _vecadjoint(A::AbstractVector) = vec(adjoint(A))
 _vecadjoint(A::Base.ReshapedArray{<:Any,1,<:AdjointAbsVec}) = adjoint(parent(A))
+
+diagview(A::Transpose, k::Integer = 0) = _vectranspose(diagview(parent(A), -k))
+diagview(A::Adjoint, k::Integer = 0) = _vecadjoint(diagview(parent(A), -k))
diff --git a/test/adjtrans.jl b/test/adjtrans.jl
index adf6d9a7..a4fb7f7a 100644
--- a/test/adjtrans.jl
+++ b/test/adjtrans.jl
@@ -788,4 +788,15 @@ end
     end
 end
 
+@testset "diagview" begin
+    for A in (rand(4, 4), rand(ComplexF64,4,4),
+                fill([1 2; 3 4], 4, 4))
+        for k in -3:3
+            @test diagview(A', k) == diag(A', k)
+            @test diagview(transpose(A), k) == diag(transpose(A), k)
+        end
+        @test IndexStyle(diagview(A')) == IndexLinear()
+    end
+end
+
 end # module TestAdjointTranspose