I have X blocked in my regular browser so for the first 8ish reps I forgot to check if they made a statement on X.

My method was search for their house.gov website, see if there's a press release, then look at bluesky or twitter accounts if mentioned.

These are stronger condemnations mentioning the US's history of imperialism
CA-12 Lateefah Simon (D) https://simon.house.gov/media/press-releases/congresswoman-lateefah-simons-statement-president-trumps-illegal-bombing
CA-51 Sara Jackobs (D) https://bsky.app/profile/sarajacobs.house.gov/post/3mbjwk5inkk2p

Not as good as above, but somewhat stronger
CA-28 Judy Chu (D) https://bsky.app/profile/chu.house.gov/post/3mbjwangid22i
CA-35 Norma Torres (D) https://x.com/NormaJTorres/status/2007507843952296376
CA-37 Sydney Kamlager-Dove https://kamlager-dove.house.gov/media/press-releases/kamlager-dove-statement-trumps-military-action-venezuela
CA-43 Maxine Waters (D) https://x.com/RepMaxineWaters/status/2007473325950341440
CA-44 Nanette Barragan (D) https://bsky.app/profile/repbarragan.bsky.social/post/3mbjymvc4ak2g

These tend to focus more on congresses power being usurped and less on
invading another country to loot them is wrong.
CA-06 Ami Bera (D) https://bera.house.gov/news/press-releases/rep-bera-statement-on-us-military-action-in-venezuela
CA-11 Nancy Pelosi (D) https://pelosi.house.gov/news/press-releases/pelosi-statement-use-us-military-force-venezuela
CA-14 Eric Swalwell (D) https://x.com/RepSwalwell/status/2007459394083082307
CA-16 Sam Liccardo (D) https://x.com/RepLiccardo/status/2007471643015139657?s=20
CA-18 Zoe Lofgren (D) https://bsky.app/profile/lofgren.house.gov/post/3mbk4t6bvdk2r
CA-19 Jimmy Panetta (D) https://panetta.house.gov/media/press-releases/rep-panetta-statement-administrations-actions-venezuela
CA-29 Luz Rivas (D) https://x.com/RepLuzRivas/status/2007516118638809197
CA-30 Laura Friedman (D) https://bsky.app/profile/friedman.house.gov/post/3mbk6g66orc2s
CA-31 Gil Cisneros (D) https://bsky.app/profile/cisneros.house.gov/post/3mbjwfxnrsc2h
https://bsky.app/profile/cisneros.house.gov/post/3mbjsoc47s22o
CA-32 Brad Sherman (D) It's a statement but it's a video https://www.youtube.com/watch?v=xdyTPHCn3p0&t=3s
CA-33 Pete Aguilar (D) https://x.com/RepPeteAguilar/status/2007510036344643641
CA-34 Jimmy Gomez (D) https://gomez.house.gov/news/documentsingle.aspx?DocumentID=5869
CA-39 Mark Takano (D) https://bsky.app/profile/repmarktakano.bsky.social/post/3mbjrlhg6f22g
CA-42 Robert Garcia (D) https://x.com/RepRobertGarcia/status/2007530595325501653
CA-45 Derek Tran (D) https://x.com/RepDerekTranCA/status/2007487576374984885
CA-47 Dave Min (D) https://bsky.app/profile/congressmin.bsky.social/post/3mbjwotvm7c2w
CA-49 Mike Levin (D) https://bsky.app/profile/levin.house.gov/post/3mbjwcjqkzc26
CA-52 Jan Vargas (D) https://x.com/RepJuanVargas/status/2007514127649124756

And a couple of republicans took the time to support the invasion.
Supporting invasion
CA-41 Ken Calvert (R) https://calvert.house.gov/media/press-releases/rep-calvert-statement-capture-nicolas-maduro
CA-48 Darrel Issa (R) https://x.com/repdarrellissa/status/2007508573480186094