Does OP mean “original poster” or “original post”?
51551
"It was my op" what does it mean?
11152
Make comments from original poster stand out. Use different background color
87960
Discrepancy between “last seen” and “newest” post
30736
Is it ok to tell the OP to accept an upvoted answer?
11690
$_POST vs. $_SERVER['REQUEST_METHOD'] == 'POST'
13367
Best way to deal with questions answered by the OP in the question instead of in an answer
34179
Is it OK to translate and repost Stack Overflow questions/answers in different language?
57814
Make up something or make something up?
114294
What's StackExchange-ese for "OP"?
75569
What is this mark over the question
70385
Prevent the OP commenting on their own post?
118077
Provide indicator that another user is editing a post
81872
When do you use POST and when do you use GET?
140608
There's something funky about some titles in revision histories here on Meta Stack Exchange
158815
"Photos of Someone" vs "Someone's Photos"
156001
Indicate that a post has been edited since being flagged
27040
Is posting someone's comment as an answer okay?