diff --git a/share/completions/expect.fish b/share/completions/expect.fish
new file mode 100644
index 000000000..8611169c3
--- /dev/null
+++ b/share/completions/expect.fish
@@ -0,0 +1,9 @@
+complete -c expect -s c -r -d "execute command"
+complete -c expect -s d -n "__fish_not_contain_opt -s d" -d "diagnostic output"
+complete -c expect -s D -x -r -a "0 1" -n "__fish_not_contain_opt -s D" -d "debug value"
+complete -c expect -s f -r -d "script path"
+complete -c expect -s i -n "__fish_not_contain_opt -s i" -d "interactive mode"
+complete -c expect -s v -n "__fish_not_contain_opt -s v" -d "print version"
+complete -c expect -s N -n "__fish_not_contain_opt -s N" -d "skip global rc"
+complete -c expect -s n -n "__fish_not_contain_opt -s n" -d "skip user rc"
+complete -c expect -s b -n "__fish_not_contain_opt -s b" -d "read line by line"